The data files in this folder (summary.csv, daily-errors.csv.gz,
libraries.csv, horizons-check.csv and ingress-summary.csv) are licensed under
the Creative Commons Attribution 4.0 International licence (CC BY 4.0):
https://creativecommons.org/licenses/by/4.0/

Credit them as: Horospire (2026). Horospire planet positions against NASA JPL
DE440, 1900 to 2050 (version 1.0) [Data set].
https://horospire.com/research/ephemeris-accuracy

The reference values are computed from NASA JPL's DE440s planetary
ephemeris (R. S. Park, W. M. Folkner, J. G. Williams and D. H. Boggs, The JPL
Planetary and Lunar Ephemerides DE440 and DE441, The Astronomical Journal 161,
105, 2021). The code in scripts/ is licensed separately, under the MIT
licence in scripts/LICENSE-CODE.txt.