celestiary/web

Issues somebody may already be working on are listed last. List everything by date

• CesiumLayers.test.js: the guest's wait compared with toBe on a float difference fails about half the time

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  Difficulty 1/5 Under an hour Newbie friendliness 88/100

  celestiary/web#345 · Opened Oct 28, 2026

  Maintainers usually reply within 1 day

• Cesium guest (?cesium=iframe): white flicker near Mars's and Earth's surface remains after #335

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  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  celestiary/web#344 · Opened Oct 28, 2026

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• Relative-to-eye placement of far things, and the view as the instrument sees it (option 3)

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  Difficulty 5/5 Over a week Newbie friendliness 25/100

  celestiary/web#340 · Opened Oct 28, 2026

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• Opening a body by path (#earth) never finishes loading: "No parent obj … for earth"

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  Difficulty 4/5 1-2 days Newbie friendliness 48/100

  celestiary/web#336 · Opened Oct 28, 2026

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• 2026 ED138 from the Rubin seat at a 0.00016° field: the disc blinks, the ring jumps, the path and the orbit line miss (float32 at 47 au)

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  Difficulty 5/5 Over a week Newbie friendliness 35/100

  celestiary/web#334 · 1 comment · Opened Oct 28, 2026

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• The sky it imaged: Rubin's pictures over the pointing, through a portal asset service

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  enhancement track:spacecraft

  Difficulty 5/5 Over a week Newbie friendliness 28/100

  celestiary/web#333 · 1 comment · Opened Oct 28, 2026

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• Rubin's real cadence: visits and fields, not a stare

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  track:spacecraft

  Difficulty 5/5 Over a week Newbie friendliness 35/100

  celestiary/web#332 · Opened Oct 28, 2026

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• The dome and enclosure from NOIRLab's complete scene (model3d003), decimated

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  track:spacecraft

  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  celestiary/web#331 · Opened Oct 28, 2026

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• First-person controls around the telescope

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  enhancement track:ux

  Difficulty 5/5 Over a week Newbie friendliness 25/100

  celestiary/web#330 · Opened Oct 28, 2026

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• Epic: Rubin Observatory and 2026 ED138: the telescope, its pointing, and the sky it saw

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  epic track:spacecraft

  Difficulty 5/5 Over a week Newbie friendliness 35/100

  celestiary/web#321 · Opened Oct 28, 2026

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• The Moon's Cesium layer: a location or texture mismatch near longitude −90°

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  cesium

  Difficulty 4/5 3-5 days Newbie friendliness 46/100

  celestiary/web#319 · Opened Oct 27, 2026

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• The meter's readback warns "READ-usage buffer was written, then fenced, but written again" about twice a second

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  cesium

  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  celestiary/web#318 · Opened Oct 27, 2026

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• Eval: Slop New York on WebGPU inside celestiary

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  cesium track:platform

  Difficulty 5/5 Over a week Newbie friendliness 20/100

  celestiary/web#315 · Opened Oct 27, 2026

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• Cesium guest: take the round trip off the frame (a frame of lag, or reprojection)

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  cesium track:platform

  Difficulty 5/5 Over a week Newbie friendliness 35/100

  celestiary/web#314 · 1 comment · Opened Oct 27, 2026

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• Cesium guest: the frame's way back takes 3.3 ms

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  cesium track:platform

  Difficulty 4/5 3-5 days Newbie friendliness 45/100

  celestiary/web#313 · Opened Oct 27, 2026

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• Cesium guest: its frame takes twice the page's (9.9 ms vs 4.8)

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  cesium track:platform

  Difficulty 3/5 1-2 days Newbie friendliness 48/100

  celestiary/web#312 · Opened Oct 27, 2026

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• Epic: The interface: a design system, progressive reveal, phones and AR

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  epic

  Difficulty 5/5 Over a week Newbie friendliness 20/100

  celestiary/web#279 · Opened Oct 23, 2026

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• Epic: Cislunar economy: a widgets-drawer app for the Earth–Moon logistics network, as a basis for routing and operations research

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  enhancement epic track:spacecraft

  Difficulty 5/5 Over a week Newbie friendliness 15/100

  celestiary/web#273 · Opened Oct 21, 2026

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• Orbital regimes, Lagrange points and three-body orbits: around Earth first, and their analogues at every planet and moon

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  enhancement track:solar-system

  Difficulty 5/5 Over a week Newbie friendliness 25/100

  celestiary/web#272 · Opened Oct 21, 2026

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• Epic: an optics model: the instrument between the sky and the screen (eye, binoculars, telescopes, cameras)

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  epic track:rendering

  Difficulty 5/5 Over a week Newbie friendliness 25/100

  celestiary/web#236 · Opened Oct 11, 2026

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• Catalogues are scene features; their analysis is an app (dark matter, large-scale structure, globular orbits)

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  enhancement track:ux

  Difficulty 5/5 Over a week Newbie friendliness 15/100

  celestiary/web#233 · Opened Oct 10, 2026

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• S4G and ATLAS3D: a few thousand galaxies from published decompositions, and ellipticals

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  enhancement track:deep-sky

  Difficulty 5/5 Over a week Newbie friendliness 12/100

  celestiary/web#231 · Opened Oct 10, 2026

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• Large-scale structure: the observed and reconstructed cosmic web as a volume, with flows, and a ΛCDM simulation to compare

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  enhancement track:deep-sky

  Difficulty 5/5 Over a week Newbie friendliness 8/100

  celestiary/web#232 · Opened Oct 10, 2026

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• Nearby galaxies: the Local Volume (UNGC), the Local Group (McConnachie), and models of M 31, M 33 and the Magellanic Clouds

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  enhancement track:deep-sky

  Difficulty 5/5 Over a week Newbie friendliness 15/100

  celestiary/web#230 · Opened Oct 10, 2026

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• Deep-sky objects from OpenNGC: every NGC/IC, Messier and Caldwell object labelled, searchable and placed

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  enhancement track:deep-sky

  Difficulty 5/5 Over a week Newbie friendliness 8/100

  celestiary/web#229 · Opened Oct 10, 2026

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• Globular clusters: Harris's Milky Way catalogue (2010 edition) as points and labels

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  enhancement track:deep-sky

  Difficulty 5/5 Over a week Newbie friendliness 18/100

  celestiary/web#228 · 1 comment · Opened Oct 10, 2026

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• Titan's haze from Huygens DISR: profile, albedo, and the sky from the ground

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  Difficulty 5/5 Over a week Newbie friendliness 25/100

  celestiary/web#218 · Opened Oct 8, 2026

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• Saturn's rings from measured radial profiles (optical depth and I/F)

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  Difficulty 5/5 Over a week Newbie friendliness 42/100

  celestiary/web#217 · Opened Oct 8, 2026

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• yarn parity: views that fail or don't settle with Bing blocked (earth-ridge-day, earth-dead-sea-band)

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  cesium track:platform

  Difficulty 4/5 1-2 days Newbie friendliness 48/100

  celestiary/web#213 · Opened Oct 8, 2026

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• Cesium's Moon terminator is rougher than celestiary's: the relief map's anisotropic filtering

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  cesium track:rendering

  Difficulty 4/5 3-5 days Newbie friendliness 51/100

  celestiary/web#212 · Opened Oct 8, 2026

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• Cast shadows on the Moon: a horizon map from LOLA

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  enhancement track:solar-system

  Difficulty 5/5 Over a week Newbie friendliness 35/100

  celestiary/web#211 · Opened Oct 8, 2026

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• Earth's night side is lit about 30% on the bare ellipsoid when ion's World Terrain is unavailable

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  cesium track:rendering

  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  celestiary/web#210 · Opened Oct 8, 2026

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• Delete the unused Blue Marble tile levels 0–2 (about 14 MB)

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  cesium track:platform

  Difficulty 3/5 1-2 days Newbie friendliness 73/100

  celestiary/web#209 · Opened Oct 8, 2026

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• A camera-like response for telescope fields: Neutral's toe crushes faint values next to bright ones

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  enhancement track:rendering

  Difficulty 5/5 Over a week Newbie friendliness 45/100

  celestiary/web#208 · Opened Oct 8, 2026

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• Comparison photo of Jupiter near moon

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  bug

  Difficulty 4/5 3-5 days Newbie friendliness 45/100

  celestiary/web#192 · 2 comments · Opened Oct 7, 2026

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• Frame rate on and near Earth's surface: 30–40 FPS against 60 in space

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  track:platform

  Difficulty 5/5 Over a week Newbie friendliness 28/100

  celestiary/web#189 · 4 comments · Opened Oct 6, 2026

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• Depth range from the ground: far bodies, their orbits and rings tie or invert in the 24-bit depth buffer

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  track:rendering

  Difficulty 5/5 Over a week Newbie friendliness 35/100

  celestiary/web#175 · Opened Oct 6, 2026

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• Place names for every body from the IAU Gazetteer of Planetary Nomenclature

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  enhancement track:solar-system

  Difficulty 5/5 Over a week Newbie friendliness 25/100

  celestiary/web#170 · Opened Oct 6, 2026

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• Procedural exoplanet appearance from radius, mass and temperature

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  enhancement track:catalogues

  Difficulty 5/5 Over a week Newbie friendliness 35/100

  celestiary/web#171 · Opened Oct 6, 2026

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• Volumetric clouds up close, seeded from the cloud map

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  enhancement track:rendering

  Difficulty 5/5 Over a week Newbie friendliness 25/100

  celestiary/web#169 · 1 comment · Opened Oct 6, 2026

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• Epic: Stars up close: a dynamic Sun, and every star from its physical parameters

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  epic track:rendering

  Difficulty 5/5 Over a week Newbie friendliness 25/100

  celestiary/web#164 · Opened Oct 6, 2026

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• Moonlight in the atmosphere pass: the moonlit sky hides the faint stars

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  Difficulty 4/5 3-5 days Newbie friendliness 42/100

  celestiary/web#163 · 1 comment · Opened Oct 6, 2026

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• Simulated telescope mode and a limiting-magnitude filter for Gaia-scale catalogues

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  Difficulty 5/5 Over a week Newbie friendliness 35/100

  celestiary/web#155 · 1 comment · Opened Oct 5, 2026

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• Neptune's pole: add the IAU periodic term (0.7°)

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  track:solar-system

  Difficulty 3/5 1-2 days Newbie friendliness 63/100

  celestiary/web#140 · Opened Sep 30, 2026

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• Phase of Mars's, Uranus's and Neptune's moons: precise mean motions and epoch longitudes

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  track:solar-system

  Difficulty 4/5 3-5 days Newbie friendliness 58/100

  celestiary/web#139 · Opened Sep 30, 2026

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• Satellite theories per system: E5 (Galileans), TASS 1.7 (Saturn), GUST86 (Uranus)

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  track:solar-system

  Difficulty 5/5 Over a week Newbie friendliness 28/100

  celestiary/web#138 · Opened Sep 30, 2026

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• Epic: Housekeeping

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  epic track:platform

  Difficulty 5/5 Over a week Newbie friendliness 25/100

  celestiary/web#122 · Opened Sep 30, 2026

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• Epic: Cesium integration: performance and verification

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  cesium epic track:platform

  Difficulty 5/5 Over a week Newbie friendliness 25/100

  celestiary/web#121 · 1 comment · Opened Sep 30, 2026

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• Epic: Missions and models

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  epic track:spacecraft

  Difficulty 5/5 Over a week Newbie friendliness 35/100

  celestiary/web#120 · Opened Sep 30, 2026

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• Epic: Flight simulation

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  epic track:spacecraft

  Difficulty 5/5 Over a week Newbie friendliness 25/100

  celestiary/web#119 · Opened Sep 30, 2026

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