Constellation line data in `constellations.lines.min.geojson` is generated from:
https://github.com/dcf21/constellation-stick-figures
Source file: `constellation_lines_iau.dat`

Per the upstream README, `constellation_lines_iau.dat` contains the modern
IAU / Alan MacRobert stick figures and is released under:
Creative Commons Attribution 4.0 International (CC BY 4.0)
https://creativecommons.org/licenses/by/4.0/

Source repository copyright:
Copyright (c) 2015-2025 Dominic Ford.

Coordinate values are resolved by identifier from:
SIMBAD Astronomical Database
https://simbad.u-strasbg.fr/

Generation script:
`tools/generate_constellation_lines.py`
