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docs: document Contrast Reserve and annotate the Object Details screen#471

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docs: document Contrast Reserve and annotate the Object Details screen#471
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@brickbots

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What

Documents the Contrast Reserve feature in the user guide and refreshes the Object Details screenshots.

Docs (user_guide.rst, Object Details section)

  • New Contrast Reserve subsection: what the upper-right number estimates, how it's derived (object brightness/size vs. sky brightness, telescope aperture, eyepiece magnification), the dedicated page reached with SQUARE, an interpretation table using the exact on-screen phrases ("Object is not visible" → "Very easy to see"), prerequisites (active telescope + eyepiece, an SQM reading, known magnitude/size), and a note tying it to the SQM.
  • A forward-link to it from the Push-To prose.
  • New What each part of the screen shows subsection with two annotated layout figures.

Screenshots

  • object_details_01.png / object_details_03.png — updated so the contrast reserve value shows in the upper right (captured on Caldwell 6 in the house amber style).
  • object_details_contrast.png — new: the Contrast Reserve page.
  • object_details_pushto_annotated.png / object_details_notes_annotated.png — new: labelled diagrams of the Push-To and catalog-details views.

Testing

  • sphinx-build -n (nitpicky) builds clean; both new cross-references resolve.

🤖 Generated with Claude Code

Add a Contrast Reserve subsection to the user guide explaining the
upper-right number on the Object Details screen: what it estimates, how
it's derived from sky brightness, telescope aperture, and eyepiece
magnification, an interpretation table, its prerequisites, and the
dedicated page reached with SQUARE.

Update the Object Details screenshots (Push-To and catalog details) so the
contrast reserve value is visible, and add two annotated figures labelling
every region of those two views.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
@brickbots brickbots marked this pull request as draft June 15, 2026 17:07
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This is almost ready to go, the Claude generated annotations for the object details page need to be re-done by hand

@brickbots brickbots self-assigned this Jun 15, 2026
@mrosseel

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This is almost ready to go, the Claude generated annotations for the object details page need to be re-done by hand

they seem kinda ok? could get it better by hand for sure. Or with Fable :(

@brickbots

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It did a surprisingly good job, all things considered. I do wonder how much better Fable would be. That would be a cool A/B test! I'll spend a few minutes to make this a little prettier and get this committed 👍

brickbots and others added 3 commits June 20, 2026 17:38
…g separators

The Object Details screen changed with PR #394 (#394): angular size now
shows with a unit (°/′/″), the notes group descriptions by catalog behind
labelled separator rules, and catalog images carry NSEW + size overlays.

- Recapture object_details_01/02/03, the Contrast Reserve page, and both
  annotated callout views from the post-#394 screen (C 6, contrast 1.6)
- Add a "Catalog separator" callout to the annotated catalog-details view
- Explain the labelled catalog-separator rules and unit-aware size in prose

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
The headless config had the global mount_type set to EQ, so the push-to
lines showed +/- RA-Dec offsets instead of the Alt/Az direction arrows —
which also contradicted the "Arrow = turn left/right" annotation labels.

- Recapture the push-to screen and its annotated overlay with mount_type
  Alt/Az, so azimuth/altitude show ◀▶ / ▲▼ direction arrows
- Re-shoot the notes and Contrast Reserve pages in the same pass so every
  page's contrast-reserve reading matches (2.3)

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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2 participants