Merge the itelescope repository, history intact

.gitignore

@@ -0,0 +1,6 @@
+# local scratch and secrets
+*.token
+*.key
+scratch/
+Thumbs.db
+.DS_Store

CLAUDE.md

@@ -0,0 +1,51 @@
+# Default Workflow
+
+This file is the entry point for any Claude Code session working under the Default
+Workflow. Keep it small and read the detailed docs on demand so a session does not
+load everything at once (see [Cost and tokens](docs/cost-and-tokens.md)).
+
+## What this is
+
+A standard operating procedure for building software with Claude Code. It defines how
+a project is set up, how features are branched, committed, reviewed and merged, how
+documentation is produced, and what the user expects. Copy this workflow into a new
+project (see [Project setup](docs/project-setup.md)) and follow it.
+
+## The five rules
+
+1. **Minimise cost.** Staying within usage limits matters more than speed. Prefer
+   cheap actions over expensive ones. Read only what you need. Subagents and parallel
+   processing are allowed when they are the effective path (see
+   [User expectations](docs/user-expectations.md)). See
+   [Cost and tokens](docs/cost-and-tokens.md).
+
+2. **State lives in the repo, not the chat.** Do not rely on chat history, context, or
+   cache to remember decisions, todos, notes, architecture, or objectives. Write them
+   to the committed markdown files under `state/` so a fresh session can pick up with
+   no prior context. See [Documentation policy](docs/documentation-policy.md).
+
+3. **Every feature is a branch.** Create a branch, commit with full notes in each
+   message, open a PR describing the feature, the tools used and what was achieved,
+   then merge into the trunk. See [Workflow](docs/workflow.md).
+
+4. **Code and its documentation are written in separate sessions.** The building
+   session comments the code well enough that a later, cold session can write the docs
+   from git history and comments alone. See [Documentation policy](docs/documentation-policy.md).
+
+5. **Comment for a stranger.** Assume the next session has no memory of why you did
+   anything. The commit history and code comments are the only record.
+
+## Start of every session
+
+1. Read `state/PROJECT.md`, `state/TODO.md` and `state/DECISIONS.md` (cheap, small).
+2. Check `git log --oneline -15` and `git status` to see where things stand.
+3. Do the work under the rules above.
+4. Before ending, update the `state/` files so the next session needs no chat history.
+
+## Detailed docs
+
+- [Project setup](docs/project-setup.md) - starting a new project on this workflow
+- [Workflow](docs/workflow.md) - branch, commit, PR and merge process
+- [Cost and tokens](docs/cost-and-tokens.md) - keeping usage within limits
+- [Documentation policy](docs/documentation-policy.md) - comments, and docs in a separate session
+- [User expectations](docs/user-expectations.md) - how the user wants Claude to behave

docs/documentation-policy.md

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+# Documentation policy
+
+Two separate ideas, both about making the repo the single source of truth so that no
+session ever depends on another session's chat history.
+
+## A. State lives in committed markdown, not in the chat
+
+Do not use chat history, context, or cache as memory. They cost tokens to carry and
+vanish between sessions. Instead, everything a future session needs is written to the
+`state/` directory and committed:
+
+| File | Holds |
+|------|-------|
+| `PROJECT.md` | Objectives, scope, description, audience. The anchor. |
+| `ARCHITECTURE.md` | How the system is built and why it is built that way. |
+| `DECISIONS.md` | A dated log of decisions and their rationale. Append, never rewrite history. |
+| `TODO.md` | Done / in progress / pending. The current state of play. |
+| `NOTES.md` | Working notes, gotchas, environment quirks, dead ends to avoid. |
+
+Update these as part of the work, not as an afterthought. A change to how the system
+works is not finished until `ARCHITECTURE.md` or `DECISIONS.md` reflects it.
+
+Templates for all of these are in `templates/`.
+
+## B. Documentation is written in a separate session from the code
+
+The user facing documentation (README, guides, API docs, changelog) is **not** written
+in the same session that writes the code. This is deliberate:
+
+- It forces the building session to leave a complete trail. If the code cannot be
+  documented later from git history and comments alone, the trail was not good enough.
+- It keeps each session cheap and focused. A building session spends its budget
+  building; a documentation session spends its budget writing docs.
+- It gives the docs a cold, independent reader who documents what the code actually
+  says, not what the author remembers intending.
+
+### What the building session must leave behind
+
+So the later documentation session can work with no chat history:
+
+1. **Commit messages with full notes** - what changed, why, and any trade-offs. See
+   [Workflow](workflow.md).
+2. **A complete PR description** - feature, tools used, what was achieved, how it works.
+3. **Code comments that explain intent** - not what a line does (the code shows that)
+   but why it exists, what it assumes, and what would break it. Comment for a stranger
+   who was not in the room.
+4. **Current `state/` files** - especially `ARCHITECTURE.md` and `DECISIONS.md`.
+
+### What the documentation session does
+
+Starts cold. Reads `git log`, the PRs, the code and its comments, and the `state/`
+files. Writes the documentation from those alone. If something cannot be understood
+from the repo, that is a gap to flag, not a reason to guess or to reach for lost chat
+context.

docs/project-setup.md

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+# Project setup
+
+How to start a new project on the Default Workflow. Do this once, at the beginning of
+a project, before any feature work.
+
+## 1. Create the repository
+
+- Create an empty repo on the forge (git.discworld.casa or wherever the project lives).
+- Clone it, or `git init` locally and add the remote.
+- The trunk branch is `main` unless the forge defaults to `master`; either is fine, be
+  consistent and refer to it as "the trunk" in docs.
+
+## 2. Copy the workflow files in
+
+From this Default-Workflow repo, copy into the new project root:
+
+- `CLAUDE.md` - so every session loads the workflow automatically.
+- `docs/` - the detailed workflow docs (or link to them if you prefer one source of
+  truth; copying keeps the project self contained and offline readable).
+- `templates/*` into `state/` (see next step).
+
+## 3. Create the state directory
+
+The `state/` directory is the project's memory. It replaces chat history. Copy the
+templates and fill in the project specifics:
+
+```
+state/
+  PROJECT.md      - objectives, scope, description, who it is for
+  ARCHITECTURE.md - how the system is built and why
+  DECISIONS.md    - dated log of decisions and their rationale
+  TODO.md         - what is done, in progress, and pending
+  NOTES.md        - working notes, gotchas, environment quirks
+```
+
+Fill in `PROJECT.md` first. It anchors every later session. A session that reads only
+`PROJECT.md`, `TODO.md` and `DECISIONS.md` should understand what the project is and
+what to do next.
+
+## 4. Add a .gitignore
+
+Ignore build artefacts, dependencies, secrets and local scratch. Never commit tokens
+or credentials.
+
+## 5. First commit
+
+Commit the scaffold to the trunk directly (this is bootstrap, not a feature):
+
+```
+git add .
+git commit
+```
+
+Write a full commit message describing what the scaffold contains and why. From here
+on, all work follows the [Workflow](workflow.md): a branch per feature.
+
+## Checklist
+
+- [ ] Repo created and remote set
+- [ ] `CLAUDE.md` and `docs/` present in project root
+- [ ] `state/` created from templates, `PROJECT.md` filled in
+- [ ] `.gitignore` in place, no secrets tracked
+- [ ] Scaffold committed to the trunk

docs/user-expectations.md

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+# User expectations
+
+How the user expects a Claude Code session to behave under this workflow. Read this
+once per session; it rarely changes.
+
+## Work autonomously
+
+Do not stop to ask which task to pick up next, or for confirmation before routine work.
+Default sensibly and keep shipping. Read `state/TODO.md`, choose the next sensible
+item, do it. Only ask when a decision is genuinely the user's to make and cannot be
+resolved from the repo or sensible defaults.
+
+## Cost before speed
+
+Staying within usage limits is more important than finishing fast or gold plating.
+When in doubt, take the cheaper path. See [Cost and tokens](cost-and-tokens.md).
+
+## Subagents are allowed
+
+Spawning subagents, parallel agents, background tasks and multi-agent workflows is a
+normal, permitted part of the workflow. Using them is not a breach of the cost rule
+when they are the effective path: fan-out searches that keep bulk file contents out of
+the main context, independent pieces of work run in parallel, or verification passes
+over completed work.
+
+The cost rule still applies to each one. A subagent must earn its keep: do not spawn
+one for work a single cheap tool call can do, and do not fan out speculatively. Record
+subagent use in the PR under "Tools used" so the cost trail stays honest.
+
+## Leave a clean trail
+
+Every feature ends as: a merged branch, full commit notes, a complete PR, current
+`state/` files, and code commented well enough to document later. The user should be
+able to open the repo weeks later, with no memory of the session, and understand what
+happened and why from the repo alone.
+
+## Report honestly
+
+If tests fail, say so with the output. If a step was skipped, say that. If something is
+done and verified, say so plainly without hedging. Do not claim more than was done.
+
+## Writing style
+
+- No em dashes in prose. Use commas, full stops, or restructure.
+- British spelling in prose and copy. Preserve code identifiers as written.
+- Plain, direct language. Say what happened.
+
+## Confirm before the hard to reverse
+
+Routine coding is autonomous. But confirm first for actions that are hard to undo or
+that reach outside the repo: force pushes, history rewrites, deleting things you did
+not create, deploying, or sending data to external services. Approval for one such
+action does not carry to the next.
+
+## The building session stops at merge
+
+Do not write the user facing documentation in the building session. That is a separate
+session's job. See [Documentation policy](documentation-policy.md).

docs/workflow.md

@@ -0,0 +1,76 @@
+# Workflow
+
+The branch, commit, PR and merge process for every feature. A "feature" is any unit of
+change: a new capability, a fix, a refactor.
+
+## 1. Branch per feature
+
+Never build directly on the trunk. Start each feature from an up to date trunk:
+
+```
+git checkout main
+git pull
+git checkout -b feature/<short-kebab-description>
+```
+
+Use a clear prefix: `feature/`, `fix/`, `refactor/`, `docs/`.
+
+## 2. Commit with full notes
+
+Commit in logical steps, not one giant dump at the end. Every commit message carries
+the full record of what changed and why, because the commit history is the primary
+source a later documentation session reads.
+
+Message shape:
+
+```
+<type>: <concise summary in the imperative>
+
+What changed:
+- <file or area>: <what and why>
+- ...
+
+Why:
+- <the reasoning, constraints, or decision behind the change>
+
+Notes:
+- <anything a cold session should know: trade-offs, follow-ups, gotchas>
+```
+
+Do not write "written by Claude" in code or messages. If the project convention
+requires an authorship tag (for example `ai:claude`), follow that project's rule.
+
+## 3. Keep state files current
+
+As you work, update `state/TODO.md` and `state/DECISIONS.md`. Decisions go in the log
+with a date and rationale. This is what lets the next session skip the chat history.
+
+## 4. Open a PR when the feature is complete
+
+When the feature is done and self consistent, push the branch and open a PR. The PR
+description is the human and machine readable summary of the feature. Use the template
+in `templates/PR_TEMPLATE.md`. It must state:
+
+- **Feature** - what was built, in plain terms.
+- **What was achieved** - the outcome, and how to verify it.
+- **Tools used** - languages, libraries, commands, services involved.
+- **How it works** - enough for a documentation session to start from the PR alone.
+- **Follow ups** - anything deferred.
+
+## 5. Merge into the trunk
+
+Merge the PR into the trunk once it is complete. Prefer a merge that preserves the
+commit history (the notes in each commit are valuable). Delete the feature branch after
+merge.
+
+## 6. Do not document in this session
+
+Writing the user facing documentation is a separate job, done in a separate session,
+against the merged history. See [Documentation policy](documentation-policy.md). Your
+job in the building session ends at a merged, well commented, well described feature.
+
+## Summary
+
+```
+branch  ->  commit (full notes)  ->  update state/  ->  PR (feature, tools, outcome)  ->  merge  ->  stop
+```

itelescope/CAMPAIGN.md

@@ -0,0 +1,218 @@
+# Drain campaign: spend 2,638 points, then close the account
+
+Decision (2026-07-18): use the full points balance on southern imaging, then cancel
+the membership. Constraints and policy facts that shape the plan:
+
+- Balance 2,638 points; Plan-40 renews 12 Aug 2026 (GBP 32). Cancel BEFORE renewal.
+- Points cannot be refunded, and cannot be used without an active subscription
+  (support article 142963). So: drain first, cancel last, in that order.
+- **Cancellation target: 10 Aug 2026**, two days before renewal. Cancellation is
+  submitted via MyAccount/Cancel.aspx and requires explicit user confirmation on the
+  day; Claude must not submit it unprompted.
+- Rates: see the rate card in state/NOTES.md. Billing is per minute of imaging time.
+- Moon: bright nights roughly 24 Jul - 2 Aug (full ~29 Jul); dark again 5-12 Aug.
+  Full-moon week includes free access promotions; paid draining focuses on dark and
+  grey nights, narrowband carries the bright week.
+- Scope availability is volatile (much of Chile offline as of 18 Jul); re-check the
+  status line on go.itelescope.net before every session and substitute freely.
+
+## Session ledger
+
+Update after every run: date, scope, target, imaging minutes, points charged
+(from account/history.aspx), cumulative spend.
+
+| Date | Scope | Target | Plan file | Imaging | Est. pts | Actual pts | Notes |
+|---|---|---|---|---|---|---|---|
+| 2026-07-19 | T33 | 47 Tuc | ngc104-test.txt | 17 min | 0 (free) | DID NOT RUN | reservation 749228 expired unused: no images, no logs on T33 (checked 20 Jul); grid shows reschedule=No despite the flag being set at booking |
+| 2026-07-19 | T59 | NGC 6744 | ngc6744-t59.txt | 180 min | ~240 (0% moon disc. until 21 Jul) | **381** | SUCCESS (txn 851148): ran 00:05:22-03:29:56 SSO, Time Used 3h24m32s, 0% moon disc. Full dataset on scope server: L 15x300s BIN1, RGB 7x300s each BIN2; previews checked, round stars, galaxy clean: no refund case. Effective rate ~112 pts/hr of WALL time (not the 80/hr imaging-time estimate: see NOTES rate correction) |
+| 2026-07-20 | T33 | NGC 6752 | ngc6752.txt | 17 min | 0 (free) | DID NOT RUN | reservation 749229 expired unused: no images, no logs (checked 20 Jul 20:30 UTC, after window) |
+| 2026-07-21 | T32 | Centaurus A | cena-t32.txt | 120 min | ~350 (x1.6 model) | **160** | SUCCESS (txn 851344): ran 18:50:24-21:16:19 SSO local (08:50-11:16 UTC), Time Used 2h25m55s, 25% moon discount. Images present: /images/qisback/T32/NGC5128 on t32.itelescope.net:8032. Came in at 0.46x the x1.6 model, i.e. LESS than the original estimate: see the rate correction below |
+
+Cumulative spend: 541. Balance after (verified GetAccountStatus 2026-07-21
+11:40 UTC): **2,097**.
+
+**Rate correction (2026-07-21, supersedes the 2026-07-20 x1.6 warning).** Two
+paid runs now bracket the question, and both bill EXACTLY the plan's imaging
+minutes, not wall-clock:
+
+| Scope | Plan imaging | Wall (Time Used) | Billed | Points per imaging hour |
+|---|---|---|---|---|
+| T59 | 180 min (36x300s) | 3h24m32s | 381 | **127** (0% moon) |
+| T32 | 120 min (24x300s) | 2h25m55s | 160 | **80** (25% moon) |
+
+381 = 3.00 h x 127 and 160 = 2.00 h x 80, both to the point. So billing is on
+imaging time as originally documented, and the wall-clock theory is dead. What
+is wrong is the rate card in NOTES.md: it lists T59 at 80/hr (actual 127) and
+T32 at 146/hr (actual 80 even after the 25% moon discount, so a base near
+107/hr). The two look transposed, but two samples cannot prove that. **Do not
+apply a blanket multiplier.** Derive each scope's effective rate from its first
+actual bill, and treat any not-yet-observed scope's card rate as +/-60%.
+
+## Planned allocation (~2,600 points, adapt as scopes/weather allow)
+
+**Phase 1, dark nights now - 23 Jul (~1,030 pts):**
+- T59 NGC 6744 LRGB, 3 h, ~240 (scheduled 19 Jul)
+- T32 Centaurus A LRGB, 2 h, ~292: early UK-afternoon window while it is high
+- T8 Corona Australis dust complex LRGB, 2 h, ~260
+- T70 (Chile) Scorpius tail / Prawn super-wide LRGB, 2 h, ~238
+
+**Phase 2, bright nights 24 Jul - 2 Aug (~440 pts, narrowband only):**
+- T59 NGC 6188 in Ha/OIII/SII 5nm, 3 h total, ~240
+- T8 Ha on the Cat's Paw / War and Peace field, 1.5 h, ~195
+- Plus any full-moon free promotions for clusters (cost 0, not part of the drain)
+
+**Phase 3, dark nights 3 - 10 Aug (~1,130 pts):**
+- T8 SMC + 47 Tucanae in one frame, 3 h LRGB, ~390: the signature shot, SMC well
+  placed in the second half of the SSO night by August
+- T8 or T59 Large Magellanic Cloud attempt if it clears the elevation limits late
+  in the window; otherwise Tarantula on T32, 2 h, ~292
+- Remainder (~450): best-of list: repeat the strongest target for more depth, or
+  Chile scopes (T71 106/hr, T73 224/hr) if they return from maintenance: Tarantula
+  and NGC 1313 preferred. Aim to land the balance under ~50 points.
+
+## Booked reservations (all with plan attached + reschedule flag)
+
+| ID | Scope | Night of (SSO/obs local) | Slot | Plan | Est. pts | Status (2026-07-20) |
+|---|---|---|---|---|---|---|
+| 749227 | T59 | 19 Jul | 00:05-03:45 | ngc6744-t59.txt | ~240 | COMPLETED, billed 381 |
+| 749228 | T33 | 19 Jul | 00:05-00:50 | ngc104-test.txt | 0 | EXPIRED unused (no run, no auto-reschedule) |
+| 749229 | T33 | 20 Jul | 00:05-00:50 | ngc6752.txt | 0 | EXPIRED unused (no run, no auto-reschedule) |
+| 749230 | T8 | 26 Jul | 21:35-23:55 | catspaw-t8.txt | ~146 (25% moon disc.) | still booked |
+| 749302 | T32 | 21 Jul | 18:50-21:50 | cena-t32.txt | ~350 (x1.6 rate, 25% moon disc.) | COMPLETED, billed 160. EVENING slot: T32 has a 35 deg elevation floor and Cen A culminates ~17:10 before dark, sinking to 11 deg by the old 00:35 slot (which could never have run). Ran 18:50-21:16, finishing 34 min early (plan complete, not a fault); images landed under /images/qisback/T32/NGC5128 |
+| (id not captured) | T8 | 22 Jul | 21:45-00:45 | cra-t8.txt | ~250 | booked + MySummary-verified 2026-07-21 11:45 UTC. This is queue #2 finally placed: see the resolution note below. Runs 11:45-14:45 UTC 22 Jul |
+| (id not captured) | T32 | 22 Jul | 18:50-19:50 | hdrcore-t32.txt | ~25 | **CANCELLED 2026-07-21 ~15:00 UTC, never ran, 0 points spent.** Booked to fix a saturated Cen A nucleus; the nucleus is not saturated (see the correction below). Deleted from MySummary with the other three reservations verified intact afterwards; quota back to 6:05/8:00 |
+| 749314 | T33 | 21 Jul | 00:05-00:50 | ngc104-test.txt | 0 (free) | booked + grid-verified 2026-07-21 08:55 UTC. 47 Tuc first-light retry, third attempt. Runs 14:05-14:50 UTC 21 Jul. Reschedule flag again No (free scopes never rebook) |
+
+The T33 first-light test is now on its THIRD booking (749314); the two prior free
+reservations expired unused. If this one also fails to run, the problem is not the
+booking but the auto-start on free scopes: escalate to walk-in (POST plan.asp per
+plans/README.md) or drop the free-imaging objective.
+
+## Booking queue (blocked by the rolling 8-hour reservation allowance)
+
+Book in order as quota frees (a session completing releases its hours). Exact
+New.aspx parameters; all plans already uploaded and verified on their scopes.
+Verify every booking via Edit.aspx?id= probing (sequential ids), NOT the grid.
+
+| # | Scope id | start | end | start sel | end sel | Plan | Est. pts |
+|---|---|---|---|---|---|---|---|
+| 1 | BOOKED as 749302 (see table above); the original 00:35 slot was an error, Cen A is an EVENING target (35 deg floor on T32) | | | | | cena-t32.txt | ~350 |
+| 2 | BOOKED 2026-07-21 for the night of 22 Jul, 21:45-00:45 (see table above); the 01:35 slot was blocked by hajo and low anyway | | | | | cra-t8.txt | ~250 |
+| 3 | GRAS059 | 2026-07-25T20:35:00 | 2026-07-25T23:55:00 | 8:35 PM | 11:55 PM | ngc6188-haoiii-t59.txt | ~120 (disc.) |
+| 4 | GRAS059 | 2026-07-27T20:35:00 | 2026-07-27T23:05:00 | 8:35 PM | 11:05 PM | ngc6188-sii-t59.txt | ~90 (disc.) |
+| 5 | GRAS008 | 2026-08-08T02:35:00 | 2026-08-08T06:05:00 | 2:35 AM | 6:05 AM | smc47tuc-t8.txt | ~390 |
+| 6 | GRAS032 | 2026-08-09T03:05:00 | 2026-08-09T06:05:00 | 3:05 AM | 6:05 AM | tarantula-t32.txt | ~365 |
+| 7 | (T70, blocked: server unreachable) | night TBD before 5 Aug | ~2.5h | | | scorpius-t70.txt (in scratch, re-upload needed) | ~238 |
+| 8 | WITHDRAWN: booked then cancelled 2026-07-21, premise was wrong (see below) | | | | | hdrcore-t32.txt | 0 |
+
+### CORRECTION (2026-07-21): the Cen A nucleus was never saturated
+
+An earlier entry here claimed the 21 Jul Cen A data came back with a saturated
+nucleus, and booked a short-exposure core set on that basis. **The claim was
+wrong and the booking has been cancelled without running, at a cost of zero
+points.**
+
+The 65313 ADU figure came from taking the maximum pixel inside a 300 x 300 px
+box centred on the frame. That measures the brightest thing near the middle of
+the image, which is not the same as measuring the galaxy: it was a foreground
+star 128 px (69 arcsec) from the nucleus, sitting inside the box. Median
+filtering the inner 800 x 800 px to remove stars leaves the galaxy peaking at
+**1944 ADU**, about a thirtieth of the clip level, with **not one star-free
+pixel above 30000 ADU**. The core looked blown in the first processed image
+because of the display stretch, whose white point was set by field stars, and
+re-rendering the same data with a second tone curve scaled to the galaxy
+recovered it fully.
+
+**The habit that IS worth keeping, in corrected form:** before booking extra
+time to fix a saturated core, *measure whether it is saturated* - median-filter
+the inner region to remove stars first, and check where the frame's bright
+pixels actually are. The check costs a minute. 47 Tuc and the SMC (queue #5)
+may still genuinely saturate, a dense cluster core being the fastest thing there
+is to clip, so run the same measurement on their data before assuming either
+way. plans/hdrcore-t32.txt stays in the repo (and on T32) as a ready-made
+ladder if one of them turns out to need it.
+
+### Session 2026-07-21 ~08:55 UTC (booking round run early, before Cen A ran)
+
+Done this session: free T33 47 Tuc retry booked as 749314 (grid-verified). NOT
+done, both correctly deferred:
+- **Cen A verify**: 749302 had not run yet (starts 08:50 UTC, this session ran at
+  08:48). Verify after 11:50 UTC.
+- **cra-t8 (#2)**: blocked twice over. (1) Quota: Cen A holds 3h until it
+  completes ~11:50 UTC; with Cat's Paw (2h20m) + Cen A (3h) + T33 (45m) held,
+  under ~1h55m is free, not enough for a 3h slot. (2) Conflict: user hajo holds
+  T8 00:25-02:25 SSO local (res 749207), overlapping our planned 01:35-04:35.
+
+**cra-t8 resolution options** (pick with a live grid re-check when quota frees):
+- (a) Shift to 02:25-05:25 after hajo. Downside: Corona Australis culminates
+  ~22:30 SSO local, so by 02:25-05:25 it is 4-6.5h past meridian and low; poor.
+- (b) PREFERRED: move cra-t8 to the NEXT night, 2026-07-23T01:35-04:35 (night of
+  22 Jul SSO), same clock time, avoids hajo, keeps decent altitude. Re-check that
+  night's T8 grid first. One night's slip is fine inside the drain window.
+- (c) Earlier slot 21:25-00:25 (before hajo) is astronomically best but starts
+  11:25 UTC, before Cen A releases quota at 11:50; not bookable in time.
+
+The scheduled 12:13 UTC job (ae3af497) fires after Cen A completes: it should
+verify Cen A + bill, then book cra-t8 by option (b) unless the grid has changed
+(hajo may cancel, opening option (a)/original). At corrected (x1.6) rates the
+full remaining queue runs ~2,530 vs 2,257 balance (~270 over): once actual bills
+for Cen A and CrA land, trim Phase 3 (shorten Tarantula #6 or the SMC slot)
+to land the balance near zero.
+
+### Session 2026-07-21 ~11:40 UTC (Cen A verify + cra-t8 booked)
+
+Ran ahead of the 12:13 UTC scheduled job, after Cen A had finished at 11:16 UTC.
+
+- **Cen A verified**: completed, billed 160, NGC5128 images on the scope server.
+  Ledger and rate model updated (the x1.6 model is withdrawn: see the rate
+  correction above).
+- **cra-t8 booked**, but on a better slot than the deferred option (b). Probing
+  New.aspx for the original 01:35-04:35 returned "Conflicting reservation. Start
+  time must be later than 2:25 AM" (hajo, as predicted), confirming that option
+  (a) was all that remained on the night of 21 Jul, and it puts Corona Australis
+  3.5-6.5 h past the meridian. Instead the run went to the EVENING of the next
+  night: **2026-07-22T21:45 - 2026-07-23T00:45 SSO local**, which brackets the
+  ~22:30 culmination, so the whole 115 min of imaging happens near the zenith.
+  This is option (c)'s geometry on option (b)'s night; the reason (c) was
+  unbookable earlier (quota held by Cen A) had expired by the time Cen A
+  completed. Grid probing showed no conflict on either side of the slot.
+  Verified in Reservation/MySummary.aspx; quota now 6:50 / 8:00.
+- Moon on the night of 22 Jul is ~57% illuminated, the last usable night before
+  the bright-week narrowband phase. LRGB on a dust complex under a half moon is
+  a compromise, but the alternative is slipping a Phase 1 broadband target into
+  the bright week, which is worse.
+- Reservation id NOT captured: the confirm response carries only
+  `ModalStatic.result("OK")` and MySummary does not print ids. Nothing depends
+  on the id unless the booking must be edited or deleted, in which case find it
+  by probing Edit.aspx?id= around the current sequence (749314 was issued
+  ~08:55 UTC on 21 Jul).
+- Budget: 2,097 left, 19 nights to 10 Aug. Remaining queue at card rates is
+  roughly 1,300, which UNDER-spends by ~800. With the x1.6 model withdrawn, the
+  next planning session should add work rather than trim it: candidates are a
+  second narrowband night on T59 (observed 127/hr, the only scope with a
+  trustworthy rate), or extending the Phase 3 SMC and Tarantula runs, both of
+  which have the sky time to absorb longer plans.
+
+Substitution rules: if T71 returns to service, move #2 and #7 to T71 (faster
+f/2.8 optics, cheaper 106 pts/hr; re-cut the plans for 1.55"/px). If T70's
+server returns, book #7 as-is. Check the go.itelescope.net status line before
+each booking round. After #6, allocate the remaining balance (~450 pts) to a
+final deep session on the best-performing scope, sized to land under 50 pts.
+
+**10 Aug: verify balance is near zero, download ALL data from data.itelescope.net,
+then (with explicit user confirmation) cancel via MyAccount/Cancel.aspx.**
+
+## Operational notes
+
+- Sessions are now RESERVED, not walk-in: upload the plan to the scope, then book
+  it at reservations.itelescope.net with the plan attached (procedure in
+  plans/README.md); iTelescope auto-starts the plan at reservation start and the
+  reschedule flag retries weather losses. Claude sessions monitor rather than
+  drive. T59 moon discount correction: 0% until 21 Jul, 25% from 22 Jul.
+- Cron jobs live only in an open Claude session; if a day's session has no live
+  session to fire it, the user prompts "run today's drain session" and any session
+  picks it up from this file plus state/TODO.md.
+- Bad-data protection: iTelescope refunds points for weather-ruined runs on
+  request; check each session's images before marking the ledger final.
+- Final data sweep before cancellation: everything on data.itelescope.net AND the
+  per-scope /images/qisback/ folders.

itelescope/README.md

@@ -0,0 +1,18 @@
+# itelescope
+
+Reference and review of the [iTelescope.net](https://www.itelescope.net/) remote
+telescope network: every telescope, its specs, what it is good at, and which one to
+book for a given target.
+
+- **[TELESCOPES.md](TELESCOPES.md)**: the full review, grouped by observatory, with a
+  "choosing a telescope" guide at the end.
+- **[TARGETS.md](TARGETS.md)**: southern-sky targets invisible from the UK, matched
+  to scopes and to the time of year to book them.
+- **[data/itelescope-telescopes.csv](data/itelescope-telescopes.csv)**: snapshot of
+  the network's maintained specs sheet (source of truth for the numbers).
+- **state/**: project state under the Default Workflow.
+
+Sources: the iTelescope support article
+([telescope summary](https://support.itelescope.net/support/solutions/articles/247371))
+and the network's maintained Google Sheet. The launchpad at
+[go.itelescope.net](https://go.itelescope.net/) is login-only.

itelescope/TARGETS.md

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+# Southern targets: what the UK can never show you
+
+A target guide for imaging objects that are invisible (or hopeless) from the UK,
+using the southern half of the iTelescope network: Siding Spring, Australia (Q62)
+and Deep Sky Chile (X07). Companion to [TELESCOPES.md](TELESCOPES.md).
+
+## The visibility rule from the UK
+
+From latitude 51.5°N (southern England), an object's maximum altitude is
+`90° - 51.5° + declination`:
+
+- **Dec below about -38°: never rises.** These objects cannot be imaged from the UK
+  at all, ever.
+- **Dec -25° to -38°: technically rises, practically hopeless.** Culminates under
+  ~15° altitude, buried in atmosphere and murk.
+- Dec -10° to -25°: imageable from the UK but always low and compromised; far better
+  from the southern sites.
+
+Everything below is grouped by those tiers, then matched to scopes and to the time
+of year when it is best placed from the southern sites.
+
+## Tier 1: never visible from the UK (dec < -38°)
+
+### The Magellanic Clouds (the headline act)
+
+| Target | Dec | Best scope | Notes |
+|---|---|---|---|
+| Large Magellanic Cloud | -69° | T8 | The whole LMC just fits T8's 4 x 4 degree field |
+| Tarantula Nebula (NGC 2070) | -69° | T73, T17 | Core detail; the finest emission nebula in either sky |
+| Small Magellanic Cloud + 47 Tucanae | -72° | T8 | Both in a single T8 frame, a unique composition |
+| 47 Tucanae (NGC 104) alone | -72° | T33 (free), T73 | Second-finest globular in the sky |
+
+### Carina and Crux region
+
+| Target | Dec | Best scope | Notes |
+|---|---|---|---|
+| Eta Carinae Nebula (NGC 3372) | -59° | T71 | Fills T71's 2.7 x 1.8 degree field perfectly; narrowband showpiece |
+| Carina to Crux widefield | -60° | T70 | The richest stretch of the Milky Way in one 8-degree frame |
+| Southern Pleiades (IC 2602) | -64° | T71, T75 | Bright open cluster |
+| Running Chicken (IC 2944) | -63° | T71, T75 | Emission nebula with Bok globules |
+| Wishing Well Cluster (NGC 3532) | -58° | T71 | Reportedly the best open cluster in the sky |
+| Coalsack + Southern Cross | -60° | T70 | Dark nebula composition |
+
+### Centaurus and the southern globulars
+
+| Target | Dec | Best scope | Notes |
+|---|---|---|---|
+| Omega Centauri (NGC 5139) | -47° | T59, T17 | The largest globular cluster known; needs the ~40 arcmin fields |
+| Centaurus A (NGC 5128) | -43° | T17, T32, T73 | Iconic dust-lane radio galaxy |
+| NGC 4945 | -49° | T73 | Big edge-on spiral, underimaged |
+| NGC 6752 (Pavo globular) | -60° | T33 (free) | Third-brightest globular |
+
+### Ara, Norma and the Scorpius tail
+
+| Target | Dec | Best scope | Notes |
+|---|---|---|---|
+| Fighting Dragons of Ara (NGC 6188) | -49° | T71 | Dramatic narrowband target |
+| Prawn Nebula (IC 4628) | -40° | T71, T75 | Large, faint, great in Ha |
+| NGC 6231 + Table of Scorpius | -42° | T71 | Rich cluster region |
+
+### Far-southern galaxies
+
+| Target | Dec | Best scope | Notes |
+|---|---|---|---|
+| NGC 6744 (Pavo) | -63° | T73, T17 | Milky Way lookalike spiral |
+| NGC 1313 (Topsy-Turvy) | -66° | T73 | Distorted starburst spiral |
+| NGC 1566 (Spanish Dancer) | -55° | T73 | Grand-design face-on spiral |
+| NGC 2070 region galaxies | -69° | T17 | See Magellanic section |
+
+### Southern nebulae, supernova remnants and planetaries
+
+| Target | Dec | Best scope | Notes |
+|---|---|---|---|
+| Vela SNR | -45° | T70 | Huge filamentary shell, needs the 8-degree field |
+| Gum Nebula | -43° | T70 | 36 degrees across; even T70 mosaics it |
+| Southern Ring (NGC 3132) | -40° | T73 | Small bright planetary |
+| Toby Jug Nebula (IC 2220) | -59° | T73 | Reflection nebula |
+
+## Tier 2: hopeless from the UK (dec -25° to -38°), excellent from the south
+
+| Target | Dec | Best scope | Notes |
+|---|---|---|---|
+| Cat's Paw (NGC 6334) | -36° | T71 | Narrowband showpiece |
+| War and Peace (NGC 6357) | -34° | T71 | Pairs with the Cat's Paw in one T75 framing |
+| NGC 1365 (Great Barred Spiral) | -36° | T73, T17 | The archetypal barred spiral, Fornax |
+| Fornax cluster core | -35° | T17, T32 | Galaxy cluster field |
+| M83 (Southern Pinwheel) | -30° | T73, T17 | Face-on spiral, superb from Q62/X07 |
+| NGC 300 and NGC 55 (Sculptor) | -37°/-39° | T17, T75 | Nearby resolved spirals |
+| NGC 253 (Sculptor Galaxy) | -25° | T17, T32 | Huge dusty starburst, low and ruined from the UK |
+| Corona Australis dust complex | -37° | T71, T75 | Reflection nebula and dust river |
+
+## When to book what (from the southern sites)
+
+Seasons refer to what is well placed in the evening-to-midnight sky at Siding Spring
+and Deep Sky Chile. Siding Spring scopes have 30-35 degree minimum elevation limits,
+so aim within a few hours of culmination; T70 in Chile can go to the horizon.
+
+- **Jan-Mar:** Tarantula and the LMC, NGC 1313, Vela SNR and the Gum Nebula, Carina
+  rising late evening.
+- **Apr-Jun:** Eta Carinae at its best, Crux and the Coalsack, Omega Centauri,
+  Centaurus A, NGC 4945, the Musca dark nebulae.
+- **Jul-Sep (now):** the Scorpius tail and Ara at the zenith: Cat's Paw, War and
+  Peace, Prawn, NGC 6188, NGC 6231; NGC 6744; Corona Australis; 47 Tucanae and the
+  SMC in the second half of the night.
+- **Oct-Dec:** Magellanic Cloud prime time, 47 Tucanae, Sculptor galaxies (NGC 253,
+  55, 300), Fornax cluster and NGC 1365, NGC 1566.
+
+## A sensible first campaign (July-August)
+
+1. **Free warm-up on T33** (30 min/day, Siding Spring): 47 Tucanae or NGC 6752 in
+   LRGB across a few nights. Costs nothing, learns the booking system.
+2. **T71 narrowband run** (Chile, f/2.8): NGC 6188 or the Cat's Paw + War and Peace
+   region. Fast optics keep the bill down; use the standard 300 s calibrated subs.
+3. **T73 galaxy shot**: NGC 6744, currently well placed, as an LRGB target.
+4. **Book ahead for October-November:** T8 for the LMC (or SMC + 47 Tuc in one
+   frame): the single most "you cannot do this from the UK" image on the network.
+
+## Budgeting a points balance
+
+Published rate shape (from itelescope.net/standard-plans, 2026-07): affordable
+scopes roughly $19-54 per imaging hour, premium scopes roughly $54-118 per hour,
+where the range is the moon-phase discount (dark of moon at the top of the range,
+bright moon at the bottom) and the plan discount (10% on Plan-40, 20% on Plan-90).
+Exact per-scope, per-night rates are shown in the login portal's planner; treat the
+numbers below as planning estimates, not quotes.
+
+What a ~2,600 point balance buys, roughly:
+
+- **A strong narrowband image on a fast scope (T71, T75):** 2-3 hours of exposure
+  is plenty at f/2.8-f/3.8; booked around gibbous moon the rate is at the low end,
+  so call it 150-350 points per finished target.
+- **An LRGB galaxy on T73 or T17:** wants dark-of-moon time at premium-scope rates;
+  3-4 hours, roughly 300-500 points per target.
+- **The T8 Magellanic Cloud shot:** 2-3 hours LRGB at a mid-range rate, roughly
+  200-350 points.
+
+So ~2,600 points is comfortably 8-12 finished showpiece targets, or a full year of
+the seasonal calendar above at one or two targets a month. Stretch it further with:
+
+- **Full moon weeks are free** on the standard plans: use them for bright globulars
+  and clusters (47 Tuc, NGC 3532, IC 2602) where moonlight matters least, and keep
+  paid time for faint stuff.
+- **The daily free 30 minutes** (T33 south, T68 north) for framing tests and short
+  targets, never spend points discovering a framing mistake.
+- **Moon-phase arbitrage:** book narrowband (Carina, Ara, Cat's Paw) at bright moon
+  when rates bottom out; the 3 nm filters do not care about moonlight.
+
+## Cost-shape notes
+
+- Fast scopes (T71 f/2.8, T75 f/3.8, T70 f/3.5) reach depth in the least imaging
+  time, which is what you pay for: prefer them for nebulae.
+- The two free scopes cover both hemispheres of this list poorly (T68 is northern)
+  but T33 covers southern globulars and compact targets well.
+- Moonlight: narrowband targets (Carina, Ara, Scorpius nebulae) tolerate moon;
+  save galaxy and globular time (T73, T17, T8 LRGB) for dark-of-moon bookings.

itelescope/TELESCOPES.md

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+# iTelescope.net telescope review
+
+A review of every telescope on the iTelescope.net network, grouped by observatory.
+Compiled 2026-07-17 from the network's own sources:
+
+- Support article (observatory summaries, minimum elevations):
+  https://support.itelescope.net/support/solutions/articles/247371
+- Maintained specs Google Sheet (snapshotted in [data/itelescope-telescopes.csv](data/itelescope-telescopes.csv)):
+  https://docs.google.com/spreadsheets/d/1jZWkkjewOuyNC9YzQ8y2d0pO1e4T7EBeysmQMPBVSOk/
+- The launchpad (https://go.itelescope.net/) is login-only and holds no public specs.
+
+Note on coverage: the Google Sheet is the maintained source and is what this review
+follows. The older support article additionally lists T9, T19, T31 and T69, which no
+longer appear in the sheet (retired or rebuilt); T74 appears in the sheet with no
+specs, presumably in commissioning.
+
+## The network at a glance
+
+| Observatory | MPC code | Hemisphere | Telescopes |
+|---|---|---|---|
+| Utah Desert Remote Observatory, USA | U94 | North | T2, T5, T11, T14, T20, T21, T25, T26, T68 |
+| Sierra Remote Observatory, California, USA | U69 | North | T24 |
+| Siding Spring Observatory, Australia | Q62 | South | T8, T17, T30, T32, T33, T59 |
+| Deep Sky Chile | X07 | South | T70, T71, T72, T73, T74, T75 |
+| AstroCamp Observatory, Spain | I89 | North | T18 |
+| Entre Encinas y Estrellas (e-EyE), Spain | (none listed) | North | T80 |
+
+Two systems are free to use (30 minutes per day): **T68** (Utah, fast colour
+widefield) and **T33** (Siding Spring, narrow deep field).
+
+---
+
+## Utah Desert Remote Observatory (MPC U94)
+
+Dark Great Basin desert site; the largest cluster on the network and the main
+northern-hemisphere hub.
+
+### T2: Takahashi TOA-150 + QHY268C (one-shot colour)
+
+- 150 mm f/7.3 apochromatic refractor, 1105 mm focal length
+- QHY268C colour CMOS (Sony IMX571, APS-C), 0.69"/px, 72.6 x 48.6 arcmin
+- Paramount GTS, off-axis guided, no filters; minimum elevation 25 degrees
+
+**Review:** the premium one-shot-colour option. Superb refractor optics and a modern
+back-illuminated sensor at a well-sampled 0.69"/px make it the easiest route to a
+finished colour image of medium-sized targets (galaxy groups, planetary nebulae,
+globulars) with no filter runs to plan. No narrowband, so emission nebulae under
+moonlight are off the menu. Files are large (26 MP 16-bit FITS).
+
+### T5: Takahashi Epsilon 250 + SBIG ST-10XME
+
+- 250 mm f/3.4 hyperbolic flat-field astrograph, 850 mm focal length
+- ST-10XME CCD (NABG), 1.66"/px, 60.6 x 40.8 arcmin
+- Paramount PME, external guiding; RGB, Ha/SII/OIII, and Johnson-Cousins B, V, I
+
+**Review:** a fast classic. The f/3.4 Epsilon gathers light quickly for its class and
+the photometric filter set makes it one of the few scopes that does both pretty
+pictures and science. The small, old NABG CCD is the weak point: only 3.2 MP, and
+bright stars bloom on long exposures, so keep subs short around bright fields.
+
+### T11: Planewave CDK20 + FLI ProLine PL11002M
+
+- 510 mm (20") f/4.5 corrected Dall-Kirkham with 0.66x reducer, 2280 mm
+- PL11002M CCD (full frame), 0.81"/px, 54.3 x 36.2 arcmin
+- Ascension 200HR; LRGB, 3 nm narrowband, and U, B, V, R, I; minimum elevation 20 degrees
+
+**Review:** big aperture at a fast reduced focal ratio with a generous field: a strong
+general-purpose deep-space scope for nebulae and larger galaxies, plus full UBVRI for
+photometry. The sensor's 51% peak QE is dated, so it needs more integration time than
+the CMOS scopes for the same depth, and it is noted as sensitive to stray-light
+gradients near full moon.
+
+### T14: Takahashi FSQ-106 Fluorite + SBIG STX-16803
+
+- 106 mm f/5.0 Petzval refractor, 530 mm focal length
+- STX-16803 CCD, 3.5"/px, 238.8 x 238.8 arcmin (4 x 4 degrees)
+- Paramount ME, unguided; LRGB, 5 nm Ha/SII/OIII, V; minimum elevation 25 degrees
+
+**Review:** the classic mono widefield workhorse. Four square degrees on the square
+16803 sensor suits large nebula complexes (North America, Veil, Rho Ophiuchi) and
+mosaics. CCD rather than CMOS, so integration is slower than modern rivals, and
+dithering is recommended. Pick it for framed mono narrowband over T20's colour.
+
+### T20: Takahashi FSQ-106ED + ZWO ASI2400C (one-shot colour)
+
+- 106 mm f/5.0 Petzval refractor, 530 mm focal length
+- ASI2400C colour CMOS (Sony IMX410, full frame, 14-bit), 2.31"/px, 233.7 x 155.8 arcmin
+- Paramount ME, unguided; Optolong L-Pro and L-Ultimate (3 nm dual-band), Astrodon narrowband
+- Field rotated 90 degrees relative to T14 for alternative framing
+
+**Review:** the colour twin of T14 with a modern full-frame CMOS. The L-Ultimate
+dual-band filter is the clever bit: one-shot-colour narrowband on emission nebulae,
+even with the moon up. Sensor is 14-bit, so dynamic range trails the mono 16-bit
+scopes. The best low-effort widefield choice on the network.
+
+### T21: Planewave CDK17 + FLI PL6303E
+
+- 431 mm (17") f/4.5 corrected Dall-Kirkham with 0.66x reducer, 1940 mm
+- PL6303E CCD (NABG), 0.96"/px, 49.2 x 32.8 arcmin
+- Ascension 200HR; Astrodon LRGB, 5 nm narrowband, and UBVRI; minimum elevation 20 degrees
+
+**Review:** billed as a combined photometry and imaging system, and that is its niche:
+the sensitive NABG chip plus a full Johnson-Cousins set makes it a proper science
+scope. The same NABG sensitivity means blooming on bright subjects, so it rewards
+careful target and exposure choice rather than casual use.
+
+### T25: Planewave CDK20 + Player One Zeus 455M PRO
+
+- 508 mm (20") f/6.8 corrected Dall-Kirkham at native focal length, 3454 mm
+- Zeus 455M mono CMOS (Sony IMX455, full frame), 0.23"/px, 36.2 x 24.2 arcmin, 61 MP
+- Planewave L-500; Astrodon LRGB and 3 nm narrowband
+
+**Review:** the resolution monster. At 0.23"/px it is oversampled for almost any
+seeing, which means you can bin or drizzle as you please and still resolve fine
+structure in small galaxies and planetary nebulae. The cost is enormous files (61 MP
+per sub) and a narrow field. Choose it when the target is small and detail is the
+point.
+
+### T26: Planewave Delta Rho 500 + ZWO ASI6200MM Pro
+
+- 508 mm (20") f/3.0 corrected astrograph, 1537 mm focal length
+- ASI6200MM mono CMOS (IMX455, full frame, Bin2 only), 1.01"/px, 80.4 x 54.0 arcmin
+- Planewave L-550 on equatorial wedge; Chroma LRGB and 3 nm narrowband
+- Recommended subs: LRGB 30-180 s, narrowband 180-300 s (900 s available)
+
+**Review:** arguably the best imaging system on the network: half a metre of aperture
+at f/3.0 with a modern 91% QE sensor is a light bucket that reaches faint extended
+nebulosity (integrated flux nebulae, faint Ha shells) in a fraction of the usual
+integration time, over a 1.3-degree field. Bin2-only is a software limitation, not an
+optical one, and barely matters at this image scale.
+
+### T68: Celestron RASA 11 + ZWO ASI2600C (free, one-shot colour)
+
+- 279 mm (11") f/2.2 Rowe-Ackermann Schmidt astrograph, 620 mm focal length
+- ASI2600C colour CMOS (IMX571, APS-C), 1.25"/px, 130.2 x 87.0 arcmin
+- Paramount ME II, mount-guided, no filters; 30 minutes free per day
+
+**Review:** the free taster scope, and genuinely good: f/2.2 means even short free
+sessions produce satisfying colour images of bright nebulae and comets over a
+2-degree field. No filters and modest QE cap its ceiling. Ideal for trying the
+network, time-lapse of transients, or quick-look framing before booking a paid scope.
+
+---
+
+## Sierra Remote Observatory, California (MPC U69)
+
+High Sierra site with steady seeing; hosts the network's largest northern aperture.
+
+### T24: Planewave CDK24 + Player One Zeus 455M PRO
+
+- 610 mm (24") f/6.5 corrected Dall-Kirkham, 3962 mm focal length
+- Zeus 455M mono CMOS, 0.395"/px (Bin2), 31.6 x 21.1 arcmin
+- Ascension 200HR, external guiding beyond 300 s; Astrodon LRGB, 3 nm narrowband, V and Ic
+- Match subs to calibration set (60/120/180/300/600/900 s); minimum elevation 25 degrees
+
+**Review:** the northern flagship. The biggest glass in the northern half of the
+network on a steady-seeing site, with a modern high-QE sensor: first choice for small
+galaxies, quasar fields and faint photometry (V and Ic fitted). The operational notes
+(RBI flush, fixed exposure ladder, dithering) show it is run seriously for calibrated
+science data. Narrow field, so not for showpiece nebulae.
+
+---
+
+## Siding Spring Observatory, Australia (MPC Q62)
+
+The network's southern-hemisphere anchor, on the AAO site. The only access most users
+have to Magellanic Cloud and far-southern targets at serious aperture. Roof geometry
+limits northern views (horizon limits 35-75 degrees depending on scope).
+
+### T8: Takahashi FSQ-106ED + FLI Microline 16803
+
+- 106 mm f/5.0 Petzval refractor, 530 mm focal length
+- ML16803 CCD, 3.5"/px, 238.8 x 238.8 arcmin (4 x 4 degrees)
+- Paramount PME, external guiding; Astrodon LRGB, EXO, narrowband, NIR luminance
+- North horizon limit 75 degrees; dithering recommended (occasional dark columns)
+
+**Review:** the southern widefield essential: four square degrees on the LMC, SMC,
+Eta Carinae or the Gum Nebula is something no northern scope can offer. Same era of
+CCD as T14 with the same patience requirement, and its known dark-column quirk makes
+dithering effectively mandatory. Book it for large southern showpieces.
+
+### T17: Planewave CDK17 + ZWO ASI6200MM Pro
+
+- 432 mm (17") f/6.8 corrected Dall-Kirkham, 2939 mm focal length
+- ASI6200MM mono CMOS (Bin2 only), 0.53"/px, 42.4 x 28.3 arcmin
+- Paramount PME, unguided; Astrodon LRGB and 5 nm narrowband; minimum elevation 35 degrees
+
+**Review:** a modern deep-field machine pointed at the southern sky: 91% QE at half an
+arcsecond per pixel is a potent combination for southern galaxies (NGC 1365, Centaurus
+A) and planetary nebulae. The tight 35-degree elevation floor means plan targets near
+culmination.
+
+### T30: Planewave CDK20 + FLI PL6303E
+
+- 508 mm (20") f/4.4 corrected Dall-Kirkham with 0.66x reducer, 2262 mm
+- PL6303E CCD (NABG), 0.81"/px, 41.6 x 27.8 arcmin
+- Ascension 200HR; Astrodon LRGB, 5 nm narrowband, and full Johnson-Cousins UBVRcIc
+
+**Review:** the southern science scope: big aperture, fast reduced optics and the
+full photometric filter set. Same NABG blooming caveat as its northern siblings, and
+the CCD needs more integration than T17's CMOS for imaging, so treat it as
+photometry-first, imaging-second.
+
+### T32: Planewave CDK17 + ZWO ASI6200MM Pro
+
+- 431 mm (17") f/6.8 corrected Dall-Kirkham, 2912 mm focal length
+- ASI6200MM mono CMOS (Bin2 only), 0.53"/px, 42.4 x 28.3 arcmin
+- Ascension 200HR; Astrodon LRGB, 5 nm narrowband, plus V and Ic; minimum elevation 30 degrees
+
+**Review:** effectively T17's twin with a slightly friendlier elevation limit and V/Ic
+photometric filters added. If T17 is booked, this is the same capability; if you need
+magnitudes as well as pictures, prefer T32 of the pair.
+
+### T33: 12.5" RCOS Ritchey-Chretien + Apogee Alta U16 (free)
+
+- 320 mm (12.5") f/9.0 Ritchey-Chretien, 2885 mm focal length
+- Alta U16 CCD (NABG), 0.54"/px, 37 x 37 arcmin
+- Paramount ME, external guiding; Astrodon LRGB and narrowband
+- 30 minutes free per day; north horizon limit 45 degrees
+- Recommended: LRGB 300 s; narrowband 300 s Bin2 or 600 s Bin1 on calm nights
+
+**Review:** the free southern scope, and a much more serious instrument than "free"
+suggests: a proper RC with narrowband filters at 0.54"/px. The NABG CCD blooms on
+bright stars and f/9 is slow, so free 30-minute slots are best spent on compact,
+reasonably bright targets, or accumulated across nights.
+
+### T59: Planewave CDK20 + FLI ProLine 16803
+
+- 510 mm (20") f/6.8 corrected Dall-Kirkham, 3411 mm focal length
+- ProLine 16803 CCD, 0.54"/px, 37.2 x 37.2 arcmin
+- Ascension 200HR; Astrodon LRGB, 5 nm narrowband, Ic and Z; capable of 15-minute subs
+
+**Review:** deep and square: the 16803's square field at half-arcsecond sampling with
+an ABG chip rated for very long exposures. The scope to book for faint southern
+targets that need 900-second narrowband subs without blooming worries. QE is dated
+(60%), so it trades sensor efficiency for exposure headroom.
+
+---
+
+## Deep Sky Chile (MPC X07)
+
+Newest site, Atacama-quality southern skies; a modern all-CMOS lineup built around
+astrophotography.
+
+### T70: Samyang 135 mm f/3.5 + ZWO ASI2600MM Pro
+
+- 65 mm camera lens at f/3.5, 129 mm focal length
+- ASI2600MM mono CMOS (IMX571, APS-C), 4.51"/px, 469.8 x 355.2 arcmin (7.8 x 5.9 degrees)
+- Paramount ME, guided; Astrodon LRGB and narrowband; minimum elevation 0 degrees
+
+**Review:** an eight-degree mono narrowband field under Atacama skies, down to the
+horizon. Made for constellation-scale mosaics, the Gum Nebula, and the Milky Way core.
+It is a camera lens, so expect corner coma and halos on bright stars; that is the
+stated trade for the field of view.
+
+### T71: Takahashi Epsilon 180ED + ZWO ASI2600MM Pro
+
+- 180 mm f/2.8 hyperbolic Newtonian astrograph, 500 mm focal length
+- ASI2600MM mono CMOS, 1.55"/px, 161.4 x 108.0 arcmin
+- Paramount MyT, guided; Astrodon LRGB and 5 nm narrowband
+- Electronic shutter: no user darks; calibrated data supplied for standard sub lengths
+
+**Review:** the best fast-widefield system on the network: f/2.8 optics, a modern
+sensor and Chilean skies. A 2.7 x 1.8 degree field at 1.55"/px suits nearly every
+showpiece southern nebula. Subs are constrained to the standard calibration ladder
+(10-600 s) since you cannot take your own darks, and files are large (101 MiB).
+
+### T72: Planewave CDK20 + FLI ML-16200
+
+- 510 mm (20") f/6.8 corrected Dall-Kirkham, 3411 mm focal length
+- ML-16200 CCD, 0.359"/px, 26.9 x 21.5 arcmin
+- Planewave L-500; LRGB, narrowband, and U, B, V, R, I
+- Precision-scaled raw calibration frames published at data.itelescope.net (0-900 s)
+
+**Review:** the Chilean science workhorse: full UBVRI photometry, very fine sampling,
+and a published high-precision calibration pipeline aimed squarely at photometric
+work. The 39Ke full well is modest, so watch saturation on bright comparison stars.
+For pretty pictures the CMOS scopes on site are faster; for southern photometry this
+is the one.
+
+### T73: Planewave CDK14 + ZWO ASI2600MM Pro
+
+- 356 mm (14") f/7.2 corrected Dall-Kirkham, 2563 mm focal length
+- ASI2600MM mono CMOS, 0.31"/px, 31.8 x 21.0 arcmin
+- Paramount ME II, guided; Chroma LRGB and 3 nm narrowband
+
+**Review:** a fine-detail southern imager: 0.31"/px oversampling with a near-zero
+dark current sensor (darks essentially redundant) and tight 3 nm Chroma narrowband.
+The pick for small southern galaxies and planetaries when T25-style resolution is
+wanted below the celestial equator. Short 240 s max recommended subs keep runs simple.
+
+### T74: (in commissioning)
+
+Listed in the network sheet with no published specs yet.
+
+### T75: ASA N250 + ZWO ASI6200MM Pro
+
+- 250 mm f/3.8 Newtonian astrograph, 950 mm focal length
+- ASI6200MM mono CMOS (Bin2 only), 1.72"/px, 137.4 x 91.8 arcmin
+- Paramount MyT, guided; Chroma LRGB and 3 nm narrowband
+
+**Review:** the middle option at Deep Sky Chile: faster and wider than the CDKs,
+deeper than the Epsilon. A 2.3 x 1.5 degree field at f/3.8 with 91% QE makes quick
+work of medium-large southern nebulae. Bin2-only sampling is coarse but well matched
+to the focal length.
+
+---
+
+## AstroCamp Observatory, Spain (MPC I89)
+
+High-altitude site in the Spanish mountains; fills the European longitude gap so
+northern targets can be followed when America is in daylight.
+
+### T18: Planewave CDK12 + QHY600M
+
+- 318 mm (12.5") f/5.3 corrected Dall-Kirkham, 1683 mm focal length
+- QHY600M mono CMOS (IMX455, full frame, Bin2 only), 0.92"/px, 73.6 x 49.1 arcmin
+- Paramount PME, externally guided; Astrodon LRGB, 5 nm narrowband, photometric V and Ic
+- Minimum elevation 40 degrees
+
+**Review:** a well-balanced all-rounder: enough aperture for galaxies, a wide enough
+field (1.2 degrees) for most nebulae, modern sensor, and V/Ic for photometry. Its real
+value is longitude coverage for time-critical work (exoplanet transits, variable
+stars, GRB follow-up) from Europe. The 40-degree elevation floor is the strictest on
+the network, so target selection matters.
+
+---
+
+## Entre Encinas y Estrellas (e-EyE), Spain
+
+Hosting site in Extremadura; currently one iTelescope system.
+
+### T80: Samyang 135 mm f/3.5 + ZWO ASI2600MM Pro
+
+- 65 mm camera lens at f/3.5, 129 mm focal length
+- ASI2600MM mono CMOS, 5.98"/px, 622.2 x 415.8 arcmin (10.4 x 6.9 degrees)
+- Paramount MyT, guided; Astrodon LRGB and narrowband
+
+**Review:** T70's northern sibling: a ten-degree mono field for constellation-scale
+imaging (whole of Orion's belt and sword in one frame, big Ha mosaics of Cygnus).
+Same camera-lens caveats on corner stars. Between this and T70 the entire sky is
+covered at super-wide field.
+
+---
+
+## Choosing a telescope
+
+| Use case | First choice | Alternatives |
+|---|---|---|
+| Widefield narrowband, north | T14 (mono), T20 (colour dual-band) | T68 (free colour) |
+| Widefield narrowband, south | T71 | T8, T75 |
+| Constellation-scale mosaics | T80 (north), T70 (south) | |
+| Faint extended nebulosity | T26 | T75, T71 |
+| Small galaxies / fine detail, north | T24 | T25 |
+| Small galaxies / fine detail, south | T73 | T17, T32, T59 |
+| Photometry / science, north | T21, T24 | T5, T11, T18 |
+| Photometry / science, south | T72 | T30, T32 |
+| One-shot colour, minimum effort | T20 | T2, T68 |
+| Long (15 min) narrowband subs, south | T59 | |
+| European longitude / transit timing | T18 | |
+| Free / trying the network | T68 (north), T33 (south) | |
+
+## General observations
+
+- The network is mid-migration from legacy CCDs (16803, PL6303E, ST-10XME) to modern
+  back-illuminated CMOS (IMX455, IMX571): the CMOS scopes reach the same depth in
+  roughly half the integration time thanks to 85-91% peak QE, and several of the CCD
+  systems (NABG chips especially) carry blooming caveats the CMOS ones do not.
+- Several CMOS systems are Bin2-only due to software limitations (T17, T18, T26, T32,
+  T75). At their focal lengths this costs little real resolution.
+- Minimum elevation limits vary widely (0 degrees at T70 up to 40 degrees at T18) and
+  are a real planning constraint, especially at Siding Spring where the roof blocks
+  much of the northern sky.
+- Calibration is handled network-side on several scopes (T71's electronic shutter
+  disallows user darks; T72 publishes precision-scaled calibration frames; T24 wants
+  subs matched to its calibration ladder). Check the per-scope notes before planning
+  exposures.

itelescope/data/itelescope-telescopes.csv

@@ -0,0 +1,78 @@
+Telescope,Platform,Aperture (in),Aperature (mm),Focal Length (mm),F-Ratio,Optical Tube Assembly,Optical Design,Camera,Sensor Type,CMOS Sensor Model,Sensor Size / Format (mm),"Camera Angle
+(""Up"" = Deg. East of N)",FOV X (arcmins),FOV Y (arcmins),Pixel Size (µm),Resolution (arcsec / pixel),Sensor Megapixels,Array X,Array Y,Peak QE,Full Well,N/ABG,Recommended Max Exposure (seconds),Guiding,Mount,Filters,Notes,"Additional System Specifications
+(e.g. horizon limits, special notes)"
+,Utah Desert Remote Observatory (MPC U94),,,,,,,,Note: Sensors generally have 16-bit ADCs unless other values are provided,,,,,,,,,,,,,,,,,,,
+T2,One Shot Color,5.9,150,1105.1,f/7.3,Takahashi TOA-150,Apochromatic Refractor,QHY268C,"Color CMOS
+(RGGB Bayer)",Sony IMX571,"23.5 x 15.7
+(APS-C)",178.683º,72.6,48.6,3.76,"0.69""",26.4,6280,4210,90%,51Ke,—,300,MOAG with Loadstar SX2,Paramount GTS,None,"Large (26 MP, 16-bit) FITS files",Telescope System Information and Specs
+T5,Medium Deep Space,9.8,250,850,f/3.4,Takahashi Epsilon 250,Hyperbolic Flat-Field,SBIG ST-10XME,CCD,—,14.9 x 10.0,177º,60.6,40.8,6.8,"1.66""",3.2,2184,1472,85%,100Ke,NABG,300,External Guiding,Paramount PME,"Red Green Blue, Ha, SII, OIII, Clear and Johnson's Cousin's Photometric B,V, and I filters.",Non Anti Bloom Gate (NABG) CCD. Bright stars will bloom or bleed in long exposures. Keep your exposures short if very bright stars are in your target FoV.,Telescope System Information and Specs
+T11,Deep Space,20.1,510,"2280
+(0.66 reducer)",f/4.5,Planewave CDK20,Corrected Dall-Kirkham,FLI ProLine PL11002M,CCD,—,"36 x 24
+(Full Format)",186.9º,54.3,36.2,9,"0.81""",10.7,4008,2672,51%,60Ke,ABG,600,Active Guiding Disabled,Planewave Ascension 200HR,"AstroDon - Luminance, Red, Green, Blue. 3nm Ha3_50R, Sii3_50R, Oiii_50R. U, B, V, R, I",Optics more sensitive to stray light gradients (e.g. during full moon),Telescope System Information and Specs
+T14,Wide Field,4.2,106,530,f/5.0,Takahashi FSQ Fluorite,Petzval Apochromatic Refractor,SBIG STX-16803,CCD,—,36.8 x 36.8,90º,238.8,238.8,9,"3.5""",16.8,4096,4096,60%,100Ke,ABG,600,Unguided,Paramount ME,"LRGB, Ha (5nm), SII(5nm), OIII(5nm), V Filters",Dithering recommended,Telescope System Information and Specs
+T20,Wide Field,4.2,106,530,f/5.0,Takahashi FSQ-ED,Petzval Apochromatic Refractor,ZWO ASI2400C,"Color CMOS
+(14-bit ADC)
+(RGGB Bayer)",Sony IMX410,"36 x 24
+(Full Format)",358.4º,233.7,155.8,5.94,"2.31""",24.5,6072,4042,>80%,50Ke,ABG,300,Unguided,Paramount ME,"Optolong Lpro, Optolong LUltimate (Ha/OIII 3nm dual band), Astrodon Ha (3nm), SII (3nm) & OIII (5nm)",FoV Rotated 90° relative to T14 for different framing opportunities.,Telescope System Information and Specs
+T21,Deep Space,17.0,431,"1940
+(0.66 reducer)",f/4.5,Planewave CDK17,Corrected Dall-Kirkham,FLI-PL6303E,CCD,—,27.6 x 18.4,359º,49.2,32.8,9,"0.96""",6.3,3072,2048,68%,100Ke,NABG,600,Active Guiding Disabled,Planewave Ascension 200HR,"Astrodon LRGB 50mm unmounted, Astrodon Ha, SII, OIII, 5nm, 50 mm unmounted, Astrodon UBVRI John/Cousins",Photometry and Imaging system. Sensitive NABG CCD - susceptible to blooming artifacts from bright subjects,Telescope System Information and Specs
+T25,Deep Space,20.0,508,3454,f/6.8,Planewave CDK20,Corrected Dall-Kirkham,Player One Zeus 455M PRO,Mono CMOS,Sony IMX455,"36 x 24
+(Full Format)",251.9º,36.2,24.2,3.76,"0.23""",61.2,9576,6388,91%,71.6Ke,—,600,None,Planewave L-500,"Astrodon LRGB Gen2 I-Series Tru-Balance filters, Astrodon 3nm SII,Ha,OIII",Produces very large files,Telescope System Information and Specs
+T26,Deep Space,20.0,508,1537,f/3.0,Planewave Delta Rho 500,Advanced Corrected Cassegrain Focus,ASI6200MM Pro (mono),Mono CMOS,Sony IMX455,"36 x 24
+(Full Format)",181º,80.4,54,7.52 (Bin2),"1.01""",15.3,4788,3194,91%,51.4Ke,—,300,None,Planewave L-550 on Equatorial Wedge,"Chroma Filters:
+Wideband: Luminance, Red, Green & Blue
+Narrowband: SII, Ha & OIII with a 3nm optimise passband","Bin2 only due to current software limitations
+Recommended Exposures: LRGB: 30s-180s.
+Narrowband: 180s-300s. 900s Available",Telescope System Information and Specs
+T68,"One Shot Color
+(30 min free / day)",11.0,279,620,f/2.2,"Celestron RASA 11""",Rowe Ackerman Schmidt Astrograph,ZWO ASI2600 Color,"Color CMOS
+(RGGB Bayer)",Sony IMX571,"23.6 x 15.6
+(APS-C)",277º,130.2,87,3.76,"1.25""",26.1,6248,4176,>50%,—,—,240,Via Mount,Paramount ME II,None,"Full-Time Free Telescope System
+Large (26 MP, 16-bit) FITS files",Telescope System Information and Specs
+,Sierra Remote Observatory (MPC U69),,,,,,,,,,,,,,,,,,,,,,,,,,,
+T24,Deep Space,24.0,610,3962,f/6.5,Planewave CDK24,Corrected Dall-Kirkham ,Player One Zeus 455M PRO,Mono CMOS,—,36 x 24,90.7º,31.6,21.1,7.52 (Bin2),"0.395""",15.3,4788,3194,91%,71.6Ke,—,600,External Guiding (300s+),Planewave Ascension 200HR,"Astrodon LRGB2-E50S
+Astrodon HA3_50S, OIII3_50S, SII3_50S.Astrodon V, I (V*-50S, Ic*-50S)","Best results on Bin1. Dithering highly recommended. Uses RBI Flush to prevent ghosting. Best to use 60, 120, 180, 300, 600 and 900s exposures to match with calibraiton data.",Telescope System Information and Specs
+,"Siding Springs Observatory, Australia (MPC Q62)",,,,,,,,,,,,,,,,,,,,,,,,,,,
+T8,Wide Field,4.2,106,530,f/5.0,Takahashi FSQ ED,Petzval Apochromatic Refractor,FLI Microline 16803,CCD,—,36.8 x 36.8,358º,238.8,238.8,9,"3.5""",16.8,4096,4096,60%,100Ke,ABG,600,External ,Paramount PME,"AstroDon Series 2
+Luminance, Red, Green, Blue, EXO, Ha, SII, OIII, NIR Luminance",Northern view is restricted by observatory roof. N Horizon limit is 75°. Dithering is recommended because T8's CCD sometimes produces dark columns. ,Telescope System Information and Specs
+T17,Deep Field Astrophotography,17.0,432,2939,f/6.8,Planewave CDK17,Corrected Dall-Kirkham ,ASI6200MM Pro (mono),Mono CMOS,Sony IMX455,"36 x 24
+(Full Format)",84.2º,42.4,28.3,7.52 (Bin2),"0.531""",15.3,4788,3194,91% (475nm),51.4Ke,—,240,Unguided,Paramount PME,"Astrodon: Luminance, Clear 
+Astrodon: Red-E. Green-E. Blue-E
+Astrodon: Ha 5nm, 5nm OIII, 5nm, SII","NEW CMOS Camera for astrophotography
+Bin2 only due to software limitations",Telescope System Information and Specs
+T30,Deep Space,20.0,508,"2262
+(0.66 reducer)",f/4.4,Planewave CDK20,Corrected Dall-Kirkham ,FLI-PL6303E,CCD,—,27.6 x 18.4,270º,41.6,27.8,9,"0.81""",6.3,3072,2048,68%,100Ke,NABG,300,Active Guiding Disabled,Planewave Ascension 200HR,"AstroDon Tru-Balance Gen 2 E series Luminance, Red, Green, Blue, 5nm Ha, 5nm SII, 5nm OIII, and AstroDon Johnson/Cousins UvBVRcIc",Very sensitive NABG CCD - susceptible to blooming artifacts from bright subjects,Telescope System Information and Specs
+T32,Wide Deep Field,17.0,431,2912,f/6.8,Planewave CDK17,Corrected Dall-Kirkham ,ASI6200MM Pro (mono),Mono CMOS,Sony IMX455,"36 x 24
+(Full Format)",90º,42.4,28.3,7.52 (Bin2),"0.53""",15.3,4788,3194,91% (475nm),51.4Ke,—,300,Active Guiding Disabled,Planewave Ascension 200HR,"Astrodon E-Series Luminance Red, Green, Blue
+Astrodon 5nm Ha, SII, OIII
+Astrodon Johnson/Couisins V, Ic","NEW CMOS Camera for astrophotography
+Bin2 only due to software limitations",Telescope System Information and Specs
+T33,"Narrow Deep Field
+(30 min free / day)",12.6,320,2885,f/9.0,"Star Instruments 12.5"" RCOS",Ritchey-Chrétien - Closed Carbon Tube,Apogee Alta U16,CCD,—,36.8 x 36.8,359º,37,37,9,"0.54""",16.8,4096,4096,69%,100Ke,NABG,300,External Guiding,Paramount ME,"Astrodon Series II: Luminance, Red, Green, Blue
+Astrodon Ha (5nm), SII, OIII (3nm)
+","Full-Time Free Telescope System
+North Horizon limit is 45°
+Rec. exposures: LRGB at 300s. Narrowband at 300s Bin2, or 600s Bin1 on calm nights. ",Telescope System Information and Specs
+T59,Wide Deep Field,20.1,510,3411,f/6.8,Planewave CDK20,Corrected Dall-Kirkham ,FLI Proline 16803,CCD,—,36.8 x 36.8,90º,37.2,37.2,9,"0.54""",16.8,4096,4096,60%,> 100X Saturation Exposure,ABG,900,Active Guiding Disabled,Planewave Ascension 200HR,"Astrodon E-Series Luminance Red, Green, Blue
+Astrodon 5nm Ha, SII, OIII
+Astrodon Johnson/Couisins, IcZ",Capable of very long (15 min) exposures,Telescope System Information and Specs
+,Deep Sky Chile (MPC X07),,,,,,,,,,,,,,,,,,,,,,,,,,,
+T70,Super Wide Field,2.6,65,129,f/3.5,Samyang 135 mm @ f/3.5,Camera Lens,ASI2600MM Pro (mono),Mono CMOS,Sony IMX571,"23.5 x 15.7
+(APS-C)",314º,469.8,355.2,3.76,"4.51""",26.1,6248,4176,60%,50Ke,—,300,ZWO 30 F/4 guidescope with Loadstar SX2,Paramount ME,"Astrodon Gen 2 E-Series LRGB, Ha, OIII, SII","Note: Camera lens. Some residual coma occurs in the corners, and bright stars develop halos. This is normal and expected on this system. ",Telescope System Information and Specs
+T71,Wide Field Astrophotography,7.1,180,500,f/2.8,Takahashi Epsilon 180ED,Hyperbolic Corrected Newtonian Astrograph,ASI2600MM Pro (mono),Mono CMOS,Sony IMX571,"23.5 x 15.7
+(APS-C)",342.5º,161.4,108,3.76,"1.55""",26.1,6248,4176,60%,50Ke,—,600,QHY miniguidescope f4.3 with Loadstar Pro,Paramount MyT,"Astrodon Gen 2 I-Series LRGB, Ha (5nm), OIII (5nm), SII (5nm)","Electronic shutter. No user dark frames can be taken. Calibrated data available for 10, 30, 60, 120 180, 300, 600s.
+
+Generates very large (26 MP, 101 MiB) FITS files",Telescope System Information and Specs
+T72,Deep Space,20.1,510,3411,F/6.8,Planewave CDK20,Corrected Dall-Kirkham,FLI ML-16200,CCD,—,27 x 21.6,176º,26.93,21.53,6,"0.359""",16.2,4500,3600,60%,39Ke,ABG,600,None,PlaneWave L-500,"L,R,G,B,SII,Ha,OIII,U,V,B,R,I filters",Raw calibration frames can be found at data.itelescope.net. (Bias Bin1 & Bin2 and Darks 900s Bin1 & 2 are scaled with high precision for photometry calibrated image data from 0 to 900 seconds).,Telescope System Information and Specs
+T73,Deep Field Astrophotography,14.0,356,2563,f/7.2,Planewave CDK14,Corrected Dall-Kirkham,ASI2600MM Pro (mono),Mono CMOS,Sony IMX571,"23.5 x 15.7
+(APS-C)",179.6º,31.8,21,3.76,"0.31""",26.1,6248,4176,60%,50Ke,—,240,WO Guide Star 61 f5.9 guide scope with Starlight Xpress Ultrastar Pro (mono) guide camera,Paramount MEII,"Chroma LRGB, Chroma 3nm Ha, OIII, SII",(the ASI2600MM has an extremely low dark current making darks virtually redundant),Telescope System Information and Specs
+T74,,,,,,,,,,,,,,,,,,,,,,,,,,,,
+T75,Medium Deep Space,9.8,250,950,f/3.8,ASA N250,Newtownian Astrograph,ASI6200MM Pro (mono),Mono CMOS,Sony IMX455,"36 x 24
+(Full Format)",88.3º,137.4,91.8,7.52 (Bin2),"1.722""",15.3,4788,3194,91%,50Ke,—,600,ZWO 30 F/4 guide scope with ASI290MM mini,Paramount MyT,"Chroma LRGB, Chroma 3nm Ha, OIII, SII",Bin2 only due to current software limitations.,Telescope System Information and Specs
+,"AstroCamp Observatory, Spain (MPC I89)",,,,,,,,,,,,,,,,,,,,,,,,,,,
+T18,Medium Deep Space,12.5,318,1683,f/5.3,Planewave CDK12,Corrected Dall-Kirkham ,QHY600M-PH-US Mono,Mono CMOS,Sony IMX455,"36 x 24
+(Full Format)",150º,73.6,49.1,7.52 (Bin2),"0.92"" (Bin2)",15.3,4788,3194,87%,> 38Ke,—,300,External via Lodestar SX and 300mm guidescope,Paramount PME,"Astrodon Series E LRGB. Astrodon 5nm Ha, SII, OIII. Photometric V (Custom Scientific Bessell) and Ic (Astrodon John/Cousins)","Bin2 only due to current software limitations.
+SONY Full Frame BSI CMOS Sensor IMX455",Telescope System Information and Specs
+,"Entre Encinas y Estrellas, Spain",,,,,,,,,,,,,,,,,,,,,,,,,,,
+T80,Super Wide Field,2.6,65,129,f/3.5,Samyang 135 mm @ f/3.5,Camera Lens,ASI2600MM Pro P25 (mono),Mono CMOS,Sony IMX571,"23.5 x 15.7
+(APS-C)",268º,622.2,415.8,3.76,"5.98""",26.1,6248,4176,60%,50Ke,—,300,ZWO 30 F/4 guidescope with Loadstar SX2 ,Paramount MyT,"Astrodon Gen 2 E-Series LRGB, Ha, OIII, SII",Note: Camera lens. Some residual coma occurs in the corners,Telescope System Information and Specs

itelescope/plans/README.md

@@ -0,0 +1,100 @@
+# Observing plans and the T33 session runbook
+
+ACP observing plans for iTelescope scopes, plus the procedure to run one on T33
+(the free Siding Spring scope). Credentials are NOT in this repo: they live in
+the local claudetemp itelescope folder (creds.txt, `username=`/`password=` lines).
+
+## Plan format (ACP)
+
+See [ngc104-test.txt](ngc104-test.txt). Directives, then a target line:
+`Name<TAB>RA_decimal_hours<TAB>Dec_decimal_degrees`. Counts, intervals, binning
+and filters are parallel comma-separated lists. `#shutdown` parks safely at the
+end (iTelescope's own one-click plans do the same).
+
+## T33 endpoints (base http://t33.itelescope.net:8033, HTTP auth = iTelescope creds)
+
+| Purpose | Path |
+|---|---|
+| Status JSON (times, obsStat, obsOwner) | /ac/SystemStatus/asystemstatus.asp |
+| Console text | /ac/SystemStatus/aconsread.asp |
+| Scope connect control | /ac/SystemStatus/ascopeconn.asp |
+| Shutter/roof status | /ac/SystemStatus/ashutterctl.asp |
+| My plan folder (list/upload/delete) | /plans/qisback/aindex.asp, aupload.asp, adelfile.asp |
+| Run a plan ("Acquire Images") | POST /ac/Plans/plan.asp |
+| My logs | /logs/qisback/aindex.asp |
+| Finished data | data.itelescope.net |
+
+Upload: multipart POST to `/plans/qisback/aupload.asp`, fields `File1` (the file)
+and `DestPath=/plans/qisback`. Verified working 2026-07-18; content round-trips
+exactly.
+
+Run: the web UI posts the plan select to `/ac/Plans/plan.asp`; the select's value
+is the WINDOWS path `C:\ProgramData\ACP\ACP Web Data\Doc Root\plans\qisback\<file>`.
+Field names seen: `plan`, optional `VPhot`, `AutoLogoff`. NOT yet exercised live
+(observatory was closed, daytime); the first live session must confirm whether a
+scope-connect POST (ascopeconn.asp) is required first, and capture the exact
+response shape.
+
+## The 47 Tuc free-session test (ngc104-test.txt)
+
+- Target: NGC 104 / 47 Tucanae, RA 0.4015 h, Dec -72.0814 deg (circumpolar at SSO).
+- L 4x120 s, RGB 2x90 s each, Bin2: about 17 min exposure, about 24 min with
+  overhead, inside the daily free 30 minutes.
+- Uploaded to /plans/qisback/ on 2026-07-18 and verified.
+
+### When to run
+
+47 Tuc clears T33's 20 degree minimum elevation in the second half of the SSO
+night. SSO local = UTC+10; the good window is roughly 14:00-19:30 UTC (UK
+afternoon/evening). Sunrise at SSO was 06:14 local (20:14 UTC) at recon time;
+stop well before dawn.
+
+### Procedure
+
+1. GET asystemstatus.asp: confirm observatory open (obsStat) and no other user
+   (obsOwner n/a). If someone is on, wait and retry; T33 is first-come.
+2. Confirm the plan file is still in /plans/qisback/ (aindex.asp).
+3. POST plan.asp with the plan's Windows path to start acquisition.
+4. Poll aconsread.asp (console) every minute or two: slew, centering, filter
+   changes, exposures. The run self-terminates via #shutdown.
+5. Images land in /images/qisback/ on the scope server and then on
+   data.itelescope.net; logs in /logs/qisback/.
+6. Record the session outcome in state/NOTES.md.
+
+Abort path if something looks wrong: the web UI exposes an abort on the console
+page; locate it live before starting exposures (not yet mapped).
+
+## Reservations (verified working 2026-07-18)
+
+Reservations live at http://reservations.itelescope.net ("Reservations Pilot"),
+reached from each scope's /ac/MenuItems/reservation-edit.asp iframe as
+`?t=<scope-id>&u=<username>` (scope ids look like GRAS059 for T59, GRAS033 for
+T33; full list in the resources JSON on go.itelescope.net/Reservation/Overview.aspx,
+whose embedded DayPilot events also show everyone's bookings, roof/sun times, and
+the moon discount per night). No separate login: it trusts the u= parameter once a
+session cookie exists.
+
+Creating one is a three-step WebForms dance against
+`New.aspx?start=<ISO local>&end=<ISO local>&r=<scope-id>` (times are OBSERVATORY
+LOCAL): (1) GET the form, (2) POST tokens + DropDownStartTime/DropDownEndTime
+(e.g. "12:05 AM"/"3:45 AM") + PlanToRunListBox=<plan file> + RescheduleCheckbox
++ ButtonRefreshPlans=Refresh Plans, which re-renders with Confirm enabled,
+(3) re-POST the fresh tokens with the same fields + ReservationOKButton=Confirm
+Reservation. Success = response script `ModalStatic.result("OK")` AND the booking
+appearing in the grid: the modal also says "OK" on silent failure, so ALWAYS
+re-fetch the grid and look for the reservation id + username.
+
+Availability probing (2026-07-21): a plain GET of
+`New.aspx?start=...&end=...&r=...` is a cheap, side-effect-free conflict check.
+The form comes back with the two time dropdowns populated for +/-60 min around
+the requested times, and if the slot collides with someone else's booking it
+also renders "Conflicting reservation. Start time must be later than H:MM AM".
+No message plus a full pair of dropdowns means the window is clear. This beats
+reading the DayPilot grid, whose event divs do not survive a plain
+Invoke-WebRequest fetch (they are rendered client-side).
+
+Rules learned: maximum reservation length 4:00; recommended duration 1.5x total
+imaging time; the attached plan is auto-started by iTelescope at reservation
+start (no walk-in POST needed); RescheduleCheckbox auto-rebooks the identical
+timeslot on the first available night of the next 30 if the run does not happen.
+Delete/edit via Edit.aspx?id=<reservation id> from the grid.

itelescope/plans/catspaw-t8.txt

@@ -0,0 +1,12 @@
+;
+; Cat Paw NGC 6334 in Ha on T8 - phase 2 narrowband
+; Ha 9x600s Bin1. 90 min imaging. Bright moon OK.
+;
+#largepreviews
+#tiff
+#count 9
+#interval 600
+#binning 1
+#filter Ha
+NGC6334	17.340000	-36.116667
+#shutdown

itelescope/plans/cena-t32.txt

@@ -0,0 +1,12 @@
+;
+; Centaurus A (NGC 5128) on T32 for qisback - drain campaign phase 1
+; L 12x300s, RGB 4x300s each. 120 min imaging.
+;
+#largepreviews
+#tiff
+#count 12,4,4,4
+#interval 300,300,300,300
+#binning 2,2,2,2
+#filter Luminance,Red,Green,Blue
+NGC5128	13.424333	-43.019139
+#shutdown

itelescope/plans/cra-t8.txt

@@ -0,0 +1,12 @@
+;
+; Corona Australis dust complex on T8 for qisback - drain campaign phase 1
+; L 8x300s Bin1, RGB 5x300s each Bin2. 115 min imaging.
+;
+#largepreviews
+#tiff
+#count 8,5,5,5
+#interval 300,300,300,300
+#binning 1,2,2,2
+#filter Luminance,Red,Green,Blue
+CrA-complex	19.030000	-36.955000
+#shutdown

itelescope/plans/hdrcore-t32.txt

@@ -0,0 +1,17 @@
+;
+; Centaurus A (NGC 5128) HDR core set on T32 for qisback - drain campaign
+; Companion to cena-t32.txt (2026-07-21, 24x300s LRGB BIN2), whose nucleus is
+; saturated: the core reaches 65313 ADU in a single 300s luminance sub.
+; This is the short-exposure ladder to blend under that core.
+; L 8x60s, 8x15s, 8x5s spans a 60x range below 300s; RGB 5x30s gives the
+; nucleus colour. BIN2 throughout so the frames register to the deep stack
+; without rescaling. 18.2 min imaging total.
+;
+#largepreviews
+#tiff
+#count 8,8,8,5,5,5
+#interval 60,15,5,30,30,30
+#binning 2,2,2,2,2,2
+#filter Luminance,Luminance,Luminance,Red,Green,Blue
+NGC5128	13.424333	-43.019139
+#shutdown

itelescope/plans/ngc104-test.txt

@@ -0,0 +1,12 @@
+;
+; 47 Tucanae (NGC 104) free-session test plan for qisback
+; L 4x120s, RGB 2x90s each, Bin2. ~17 min exposure, ~24 min with overhead.
+;
+#largepreviews
+#tiff
+#count 4,2,2,2
+#interval 120,90,90,90
+#binning 2,2,2,2
+#filter Luminance,Red,Green,Blue
+NGC104	0.401500	-72.081389
+#shutdown

itelescope/plans/ngc6188-haoiii-t59.txt

@@ -0,0 +1,12 @@
+;
+; NGC 6188 Fighting Dragons on T59, session A: Ha + OIII - phase 2 narrowband
+; Ha 6x600s, OIII 6x600s. 120 min imaging. Bright moon OK.
+;
+#largepreviews
+#tiff
+#count 6,6
+#interval 600,600
+#binning 1,1
+#filter Ha,OIII
+NGC6188	16.669167	-48.796667
+#shutdown

itelescope/plans/ngc6188-sii-t59.txt

@@ -0,0 +1,12 @@
+;
+; NGC 6188 on T59, session B: SII + extra Ha - phase 2 narrowband
+; SII 6x600s, Ha 3x600s. 90 min imaging. Bright moon OK.
+;
+#largepreviews
+#tiff
+#count 6,3
+#interval 600,600
+#binning 1,1
+#filter SII,Ha
+NGC6188	16.669167	-48.796667
+#shutdown

itelescope/plans/ngc6744-t59.txt

@@ -0,0 +1,13 @@
+;
+; NGC 6744 paid session on T59 for qisback
+; L 15x300s Bin1, RGB 7x300s each Bin2.
+; 180 min imaging = ~240 pts at Plan-40 rate 80/hr before moon discount.
+;
+#largepreviews
+#tiff
+#count 15,7,7,7
+#interval 300,300,300,300
+#binning 1,2,2,2
+#filter Luminance,Red,Green,Blue
+NGC6744	19.162833	-63.857500
+#shutdown

itelescope/plans/ngc6752.txt

@@ -0,0 +1,12 @@
+;
+; NGC 6752 (Pavo globular) free-session plan for qisback
+; L 4x120s, RGB 2x90s each, Bin2. ~17 min exposure, ~24 min with overhead.
+;
+#largepreviews
+#tiff
+#count 4,2,2,2
+#interval 120,90,90,90
+#binning 2,2,2,2
+#filter Luminance,Red,Green,Blue
+NGC6752	19.181111	-59.984444
+#shutdown

itelescope/plans/scorpius-t70.txt

@@ -0,0 +1,12 @@
+;
+; Scorpius tail super-wide (Prawn/Cat Paw region) on T70 for qisback - phase 1
+; L 10x300s, RGB 4x300s each. 110 min imaging.
+;
+#largepreviews
+#tiff
+#count 10,4,4,4
+#interval 300,300,300,300
+#binning 1,1,1,1
+#filter Luminance,Red,Green,Blue
+Scorpius-tail	16.916667	-40.000000
+#shutdown

itelescope/plans/smc47tuc-t8.txt

@@ -0,0 +1,12 @@
+;
+; SMC + 47 Tucanae in one T8 frame - phase 3 signature shot
+; L 8x300s Bin1, RGB 6x300s each Bin2. 130 min imaging. Dark of moon.
+;
+#largepreviews
+#tiff
+#count 8,6,6,6
+#interval 300,300,300,300
+#binning 1,2,2,2
+#filter Luminance,Red,Green,Blue
+SMC-47Tuc	0.650000	-72.500000
+#shutdown

itelescope/plans/tarantula-t32.txt

@@ -0,0 +1,12 @@
+;
+; Tarantula Nebula NGC 2070 on T32 - phase 3
+; L 10x300s, RGB 5x300s each. 125 min imaging. Pre-dawn rising target.
+;
+#largepreviews
+#tiff
+#count 10,5,5,5
+#interval 300,300,300,300
+#binning 2,2,2,2
+#filter Luminance,Red,Green,Blue
+NGC2070	5.643333	-69.100000
+#shutdown

state/ARCHITECTURE.md

@@ -0,0 +1,16 @@
+# Architecture
+
+> How the system is built and why. Update this when the structure changes; a change is
+> not finished until this reflects it.
+
+A documentation-only repo; there is no code.
+
+- `TELESCOPES.md`: the deliverable. Per-observatory sections, one entry per telescope
+  (spec bullets then a review paragraph), a "choosing a telescope" table, and general
+  observations. Compiled from the sources below, dated in its header.
+- `data/itelescope-telescopes.csv`: verbatim CSV export of iTelescope's maintained
+  specs Google Sheet. Treated as the source of truth for numbers; re-exported to
+  refresh (see state/NOTES.md).
+- `state/`: Default Workflow project memory.
+- `CLAUDE.md` + `docs/`: the Default Workflow itself, copied from the
+  Default-Workflow repo so the project is self-contained.

state/DECISIONS.md

@@ -0,0 +1,31 @@
+# Decisions
+
+> A dated, append only log of decisions and their rationale. Newest at the top. Never
+> rewrite past entries; if a decision is reversed, add a new entry that says so.
+
+## 2026-07-17: follow the Google Sheet, not the support article
+
+The support article (https://support.itelescope.net/support/solutions/articles/247371)
+and the maintained Google Sheet
+(https://docs.google.com/spreadsheets/d/1jZWkkjewOuyNC9YzQ8y2d0pO1e4T7EBeysmQMPBVSOk/)
+disagree: the article lists T9, T19, T31, T69, which the sheet omits; the sheet has
+T25, T26, T59, T71-T75, T80, which the article lacks. The article itself points to
+the sheet as the current source, so the review follows the sheet and notes the
+discrepancy. The sheet CSV export is snapshotted in data/ so the review's numbers
+remain reproducible even if the sheet changes.
+
+## 2026-07-17: single review document, not per-telescope files
+
+23 active scopes each need only a spec block and a short assessment; one TELESCOPES.md
+grouped by observatory reads better and is easier to keep current than 23 stub files.
+Revisit if per-scope content grows (photos, session logs).
+
+## 2026-07-17: no launchpad scraping
+
+https://go.itelescope.net/ is an authenticated app shell with no public data. All
+content comes from public support pages and the public sheet; nothing in this repo
+requires iTelescope credentials.
+
+Per-telescope detail pages, if ever needed:
+support.itelescope.net/support/solutions/articles/231901-231920 (older scopes),
+245471 (T68), 251171 (T70), 251556 (T69), 251589 (T19).

state/NOTES.md

@@ -0,0 +1,80 @@
+# Notes
+
+> Working notes, gotchas, environment quirks, and dead ends to avoid. Free form. The
+> point is to save a future session from rediscovering something the hard way.
+
+- Refresh the specs snapshot with:
+  `curl -sL "https://docs.google.com/spreadsheets/d/1jZWkkjewOuyNC9YzQ8y2d0pO1e4T7EBeysmQMPBVSOk/export?format=csv" -o data/itelescope-telescopes.csv`
+- The CSV has multi-line cells (quoted); line count is not row count. Telescope rows
+  start `T<number>,`; observatory header rows have an empty first column.
+- Sensors are 16-bit ADC unless noted (T20's ASI2400C is 14-bit).
+- Free scopes (30 min/day): T68 (Utah), T33 (Siding Spring).
+- Minimum elevation limits come from the support article, not the sheet.
+
+## Automation recon (2026-07-18, all verified live)
+
+Credentials live OUTSIDE this repo (local claudetemp, never commit them).
+
+- go.itelescope.net is ASP.NET WebForms. Login: GET /login.aspx, POST
+  UsernameTextBox/PasswordTextBox plus __VIEWSTATE, __VIEWSTATEGENERATOR,
+  __EVENTVALIDATION, LoginButton=Login; session cookie then works everywhere.
+- JSON service at /DataService.svc (session-cookie auth): GetAccountStatus
+  (balance, plan, renewal), GetMyAvailablePlans (per-plan, per-scope
+  AccessDiscount), ApplyPromoCode (POST). More methods likely; enumerate from
+  inline $.ajax calls on each page (Scripts/Common.js has none).
+- Home page /default.aspx carries live network status text (per-scope
+  offline/online reasons) plus points balance: cheap to poll.
+- Reservation/Overview.aspx links every telescope's own control server:
+  https://tNN.itelescope.online/ or http://tNN.itelescope.net:80NN/. These are
+  ACP web servers behind HTTP auth accepting the same iTelescope credentials
+  (verified read-only on T33: index.asp is a TiddlyWiki info page, min elevation
+  20 degrees, 900 s max exposure). Session control and plan submission happen
+  here; ACP endpoint mapping is the next step.
+- Reservation/Planner.aspx now redirects to https://lookup.itelescope.online
+  (new planning tool, not yet explored).
+- Weather per site: Weather/Weather.aspx?site=UDRO|SSO|DSC|SRO|AC|EYE.
+- Account: Plan-40 (GBP 32.00 per 28 days), renewal 12 Aug 2026, subscribed
+  since Apr 2019, balance 2,638 points at recon time.
+
+## Rate card (2026-07-18, points per imaging hour, billed per minute)
+
+Extracted from MyAccount/UpdatePlan.aspx: each scope row carries
+data-default-rate (dark-of-moon base); effective rate = base x (1 -
+AccessDiscount from DataService GetMyAvailablePlans) x (1 - moon discount,
+server-side table keyed on illumination, not extracted yet). Plan-40 discount
+is 10% on most scopes, 20% on a few, 0% on the newest (T25, T26, T73, T74).
+
+Plan-40 rates before moon discount: T2 50, T5 68, T8 130, T10 146, T11 161,
+T14 97, T17 135, T18 81, T20 89, T21 76, T24 186, T25 322, T26 394, T30 161,
+T32 146, T33 0 (free), T59 80, T68 0 (free), T70 119, T71 106, T72 202,
+T73 224, T74 295, T75 202, T80 119.
+
+Standouts: T59 at 80/hr is the value big scope (20" CDK, square 37 arcmin
+field, 900 s subs); T5 at 68/hr the cheapest paid; T26 at 394/hr the dearest.
+Billing is per minute of imaging (exposure) time, so overhead is not billed.
+
+**RATE CORRECTION (2026-07-20, from the first real bill):** the paragraph above
+underestimates. T59 session 851148: 180 min of exposure, wall clock 00:05:22 to
+03:29:56 (3h24m34s), history "Time Used" 3h24m32s = WALL time, billed 381 points
+at 0% moon discount. That is ~112 pts/hr of wall time or ~127 pts/hr of exposure
+time, vs the 80/hr the card predicted. So either Time Used (wall clock) is what
+gets billed, or the card's data-default-rate is stale. Consequence: estimate
+sessions at rate x reserved-slot-length (slots run ~1.15-1.5x imaging time), i.e.
+multiply old exposure-based estimates by ~1.6 until more bills confirm the model.
+
+**RATE CORRECTION 2 (2026-07-21, second bill; SUPERSEDES the x1.6 rule above).**
+T32 session 851344: 120 min of exposure, Time Used 2h25m55s, 25% moon discount,
+billed 160. 160 = 2.00 h x 80 exactly, and the T59 bill is 381 = 3.00 h x 127
+exactly. Both land on the plan's IMAGING minutes to the point, and neither lands
+on wall time. So the wall-clock theory is dead and the original "billed per
+minute of exposure" documentation was right; what is wrong is the card's
+per-scope numbers. Observed effective rates: **T59 127/hr** (card said 80),
+**T32 80/hr even after a 25% moon discount**, implying a base near 107/hr (card
+said 146). The pair looks transposed, but two samples cannot prove it. Rules:
+do NOT apply any blanket multiplier; derive each scope's rate from its first
+real bill; until then treat a card rate as +/-60%; and compute estimates from
+the plan's exposure total, never from the reserved slot length.
+Paid imaging needs no reservation when a scope is idle: same walk-in ACP flow
+as the free scopes, points just deduct. Reservations (to guarantee a slot) go
+through lookup.itelescope.online, which is Cloudflare-protected: Playwright
+needed.

state/PROJECT.md

@@ -0,0 +1,47 @@
+# Project: itelescope
+
+> The anchor document. A session that reads only this, TODO.md and DECISIONS.md should
+> understand what the project is and what to do next. Keep it current.
+
+## Objective
+
+A reference and review of the iTelescope.net remote telescope network: what each
+telescope is, what it is good at, and which one to book for a given kind of target.
+
+Since 2026-07-18 the active objective is the drain campaign (CAMPAIGN.md): spend
+the account's 2,638 points on southern-sky imaging by 10 Aug 2026, download all
+data, then cancel the membership before the 12 Aug renewal. Cancellation needs
+explicit user confirmation on the day.
+
+## Scope
+
+- In scope: reviews and spec tables for every telescope on the iTelescope network,
+  grouped by observatory; source data snapshots; guidance on choosing a scope.
+- Out of scope: automating bookings, image processing, anything requiring the
+  iTelescope login (the launchpad at go.itelescope.net is authenticated).
+
+## Audience
+
+Laurence, when planning imaging or photometry runs on iTelescope, and anyone else
+choosing a telescope on the network.
+
+## Description
+
+iTelescope.net operates remote telescopes across six observatories (Utah, Sierra
+California, Siding Spring Australia, Deep Sky Chile, AstroCamp Spain, e-EyE Spain).
+Public specs are scattered across a Freshdesk support article and a maintained Google
+Sheet. This repo snapshots that data and turns it into a usable review: per-telescope
+assessments plus a "which scope for what" guide.
+
+## Success criteria
+
+- Every active telescope on the network has an entry with specs and an assessment.
+- A reader can pick the right scope for widefield, deep space, galaxies, photometry,
+  or free imaging without visiting the source pages.
+
+## Key facts
+
+- Trunk branch: main
+- Forge / remote: https://git.discworld.casa/laurence/itelescope
+- Runtime / stack: markdown only; source data in data/ as CSV
+- How to run it: nothing to run; read TELESCOPES.md

state/PR_TEMPLATE.md

@@ -0,0 +1,35 @@
+# <feature title>
+
+> Fill this in when opening the PR. It is the summary a later documentation session
+> reads to write the docs, so make it complete and self contained.
+
+## Feature
+
+<What was built, in plain terms.>
+
+## What was achieved
+
+<The outcome. What now works that did not before.>
+
+## How to verify
+
+<Steps or commands to confirm it works.>
+
+## Tools used
+
+<Languages, libraries, commands, services involved.>
+
+## How it works
+
+<Enough detail for a documentation session to start from this PR alone: the approach,
+the key files, and how the pieces connect.>
+
+## State updated
+
+- [ ] `state/TODO.md`
+- [ ] `state/DECISIONS.md` (if a decision was made)
+- [ ] `state/ARCHITECTURE.md` (if the structure changed)
+
+## Follow ups
+
+<Anything deferred or worth doing next.>

state/TODO.md

@@ -0,0 +1,96 @@
+# TODO
+
+> The current state of play. Keep it honest and current; this is what the next session
+> reads to know what to do. Move items between sections as they progress.
+
+## Done
+
+- 2026-07-17: repo created on git.discworld.casa, Default Workflow scaffold copied in.
+- 2026-07-17: specs sheet snapshotted to data/itelescope-telescopes.csv (24 scopes).
+- 2026-07-17: TELESCOPES.md written: per-scope reviews for all 23 active telescopes
+  plus a choosing guide (T74 noted as in commissioning, no specs published).
+- 2026-07-18: TARGETS.md written: southern targets invisible from the UK (dec tiers
+  from lat 51.5°N), matched to Q62/X07 scopes, seasonal booking calendar, and a
+  July-August starter campaign (T33 free, T71 narrowband, T73 galaxy, T8 LMC later).
+
+## Done (recent)
+
+- 2026-07-20: NGC 6744 on T59 SUCCEEDED (reservation 749227, txn 851148): full
+  LRGB dataset on the scope server (L 15x300s BIN1, RGB 7x300s each BIN2),
+  previews verified clean. Billed 381 pts (est was ~240: see the rate
+  correction in NOTES.md). Balance now 2,257. Ledger updated in CAMPAIGN.md.
+
+## Done (recent)
+
+- 2026-07-21 ~08:55 UTC: free T33 47 Tuc retry booked as reservation 749314
+  (grid-verified), third attempt at the first-light test, runs 14:05-14:50 UTC
+  21 Jul, costs 0.
+
+## Done (recent)
+
+- 2026-07-21 11:40 UTC: Cen A on T32 verified COMPLETE (billed 160, NGC5128
+  images on the scope server), and queue #2 (Corona Australis on T8) booked for
+  the night of 22 Jul, 21:45-00:45 SSO local, which brackets the target's
+  culmination instead of chasing it down the western sky. Rate model rebuilt
+  from two actual bills. Details in the CAMPAIGN.md session note.
+
+## In progress
+
+- T33 first-light test on its THIRD booking (749314), which had NOT yet run as of
+  11:40 UTC 21 Jul: it starts 14:05 UTC. Verify after 14:50 UTC (images and logs
+  on t33.itelescope.net:8033 were still empty/stale at 11:40, as expected). The
+  two prior free reservations (749228, 749229) expired unused with reschedule=No;
+  if 749314 also fails to run, stop rebooking and either walk it in (POST
+  plan.asp per plans/README.md) or drop the free objective.
+- The T32 HDR core set (plans/hdrcore-t32.txt) was booked and then CANCELLED on
+  2026-07-21 without running: the Cen A nucleus is not saturated, the earlier
+  claim having measured a foreground star. See the correction in CAMPAIGN.md.
+  Zero points spent. The plan file remains available on T32 if a genuinely
+  saturated target turns up.
+- The 21 Jul Cen A data has been fully processed off-repo, in the user's
+  Downloads\NGC5128\20260721\stacked folder: masters, plate solution (0.27
+  arcsec on 237 stars), an LRGB composite, a globular cluster survey (289
+  candidates, 62% catalogue-confirmed, density falling 10.5x outward), surface
+  photometry (Sersic n = 4.27, Re = 400 arcsec, total G = 6.56, which matches
+  the catalogued brightness and so validates the photometric chain), and a
+  transient/moving-object search (both null, with measured limits). METHODS.md
+  there documents the lot. Nothing from that analysis needs to come back into
+  this repo, but two results affect FUTURE sessions and are recorded here:
+  **(a)** measure saturation properly before buying short subs, and **(b)** the
+  faint outer halo in that stack is limited by the sky-plane subtraction
+  (-17.9 ADU/px of real halo light absorbed), not by exposure time, so more
+  integration alone would not have gone deeper.
+- CrA on T8 runs 11:45-14:45 UTC 22 Jul. Verify after 14:45 UTC: images under
+  /images/qisback/T8/ on t8.itelescope.net:8008, then the actual bill from
+  account/history.aspx into the ledger. This is the first T8 bill, so it also
+  fixes T8's effective rate (card says 130/hr; trust nothing until observed).
+- DRAIN CAMPAIGN ACTIVE (see CAMPAIGN.md): spend the full balance by 10 Aug,
+  then cancel before the 12 Aug renewal (user confirmation required for the
+  cancel itself). 541 of 2,638 spent; 2,097 remain. The x1.6 estimate multiplier
+  is WITHDRAWN: billing is on plan imaging minutes, and per-scope rates must come
+  from actual bills (T59 127/hr, T32 80/hr observed; the NOTES rate card is
+  unreliable). On current numbers the campaign UNDER-spends by ~800: plan extra
+  or longer runs, do not trim. Reschedule flag never sticks (grid always shows
+  No): treat every reservation as one-shot and verify the morning after.
+  Download the NGC 6744 and NGC 5128 data from data.itelescope.net before the
+  10 Aug cancellation sweep. Update the CAMPAIGN.md ledger after every session
+  from account/history.aspx.
+
+## Pending
+
+- Automation: map the ACP web endpoints on a per-scope server (start with free
+  T33) for plan submission and status; explore lookup.itelescope.online (the new
+  planner); enumerate more /DataService.svc methods. Recon notes in NOTES.md.
+- Campaign impact (status seen 2026-07-18): T71 and T73 are offline
+  (development/mount testing), as are T2, T17, T18, T20, T25, T30, T72, T74,
+  T75, T80. T8, T33, T32, T59 at Siding Spring are operational. Re-plan the
+  July-August campaign around T33 free time and Siding Spring scopes until the
+  Chile rebuild finishes; re-check status before any booking.
+
+- Fill in T74 when iTelescope publishes its specs.
+- Reconcile the retired scopes (T9, T19, T31, T69): the support article still lists
+  them but the maintained sheet does not; confirm status and note it.
+- Optional: per-telescope detail pages on support.itelescope.net (links in
+  DECISIONS.md) hold photos and operational history if deeper entries are ever wanted.
+- Periodic refresh: re-export the Google Sheet and diff against data/ to catch new or
+  changed systems.