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Southern targets guide: objects invisible from the UK

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Adds TARGETS.md, a target guide for the southern iTelescope sites (Siding
Spring Q62, Deep Sky Chile X07) built around UK visibility: from lat 51.5°N
anything below dec -38° never rises and dec -25° to -38° culminates under
~15° altitude. Targets are tiered accordingly (never visible vs hopeless),
grouped by region (Magellanic Clouds, Carina/Crux, Centaurus, Ara/Scorpius
tail, far-southern galaxies, SNR/planetaries), and each is matched to the
best scope from TELESCOPES.md with the field-of-view reasoning in the notes.

Includes a seasonal booking calendar (evening sky by quarter from the
southern sites, with the Q62 30-35° minimum-elevation caveat), a suggested
first campaign for July-August (free T33 globulars, T71 narrowband on Ara/
Scorpius, T73 on NGC 6744, then T8 on the Magellanic Clouds in Oct-Nov),
and cost-shape notes (fast scopes for nebulae, dark-of-moon for LRGB).

README links the new guide; state/TODO.md records the addition.
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Laurence 2026-07-18 20:58:45 +01:00
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state/TODO.md
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@ -9,6 +9,9 @@
- 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).
## In progress