astronomy-engine 2.1.19 (assets/astronomy.*.mjs) — MIT License, (c) 2019-2023 Don Cross.
libraw-wasm 1.6.0 (assets/libraw.*.js, assets/libraw.*.wasm; loaded only for RAW files) — ISC License, ybouane and
contributors (https://github.com/ybouane/LibRaw-Wasm): LibRaw compiled to WebAssembly. LibRaw itself is
(c) LibRaw LLC, under the LGPL 2.1 or the CDDL 1.0 (https://www.libraw.org/); it includes code from dcraw
by Dave Coffin.
Star names: IAU WGSN. Constellation figures: d3-celestial (BSD-3). Deep-sky objects: OpenNGC (CC BY-SA 4.0).
Stars: Hipparcos and Tycho-2 (ESA; Høg et al. 2000, via CDS VizieR).
Distances and ages (via CDS VizieR): Hipparcos new reduction (van Leeuwen 2007); open clusters, Gaia DR3 (Hunt & Reffert 2023) with ages from Cantat-Gaudin et al. 2020; globular clusters (Harris 1997); planetary nebulae, Gaia EDR3 (González-Santamaría et al. 2021); galaxies (Karachentsev et al. 2013; Cosmicflows-4, Tully et al. 2023); a few nebulae from the papers cited in scripts/fetch_object_info.py.

Moon photos (assets/moon.*.js): a JavaScript port, with changes, of the full-disk solver of LunarAtlas
(https://github.com/kvandebeek/lunaratlas), Copyright 2026 Kristof Vandebeek, Apache License 2.0:
see LunarAtlas-LICENSE.txt and LunarAtlas-NOTICE.txt. Landing-site positions from LunarAtlas.
Moon maps: LROC WAC empirically normalized 643 nm albedo mosaic (NASA/GSFC/Arizona State University) and LOLA
gridded elevation, 16 px/deg (NASA/GSFC), both reduced to 8 px/deg. Names: USGS Gazetteer of Planetary
Nomenclature (IAU Working Group for Planetary System Nomenclature).