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Record 19-20 Jul session outcomes: T59 success (381 pts), T33 free runs missed

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- T59 NGC 6744 (reservation 749227) ran 00:05-03:30 SSO local 20 Jul and billed
  381 points (txn 851148), not the ~240 estimated. Full LRGB dataset verified on
  the scope server (L 15x300s BIN1, R/G/B 7x300s each BIN2); preview JPEGs
  checked: round stars, clean galaxy, no weather damage, so no refund claim.
- Rate correction in state/NOTES.md: history 'Time Used' equals wall-clock
  session time (3h24m32s), and the effective rate was ~112 pts/hr wall /
  ~127 pts/hr exposure vs the 80/hr the UpdatePlan rate card predicted. All
  existing queue estimates flagged ~1.6x low until more bills confirm the model.
- Both free T33 reservations (749228 47 Tuc, 749229 NGC 6752) expired unused:
  no images, no logs; grid shows reschedule=No despite the flag being set at
  booking. First-light test is still outstanding; plans remain uploaded on T33.
- Ledger, booked-reservations table and queue updated: balance verified 2,257
  via GetAccountStatus; queue #1 (Cen A T32) missed its 21 Jul slot and needs a
  new night.
This commit is contained in:
Laurence 2026-07-20 21:30:11 +01:00
parent 67f8455e41
commit 07713c2f13
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9
state/NOTES.md
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@ -52,6 +52,15 @@ 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.
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