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RedSC1 / py-ephemeris

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Python astronomy with bundled DE442-derived data (~0.001 arcsec typical OPM2 reconstruction difference from source). Powered by Taiyin C++: planets, stars, eclipses, events, Chinese calendars and astrology; optional BaZi and Ziwei Doushu packages.

python astronomy eclipse astrodynamics ephemeris astrology solar-system bazi pybind11 lunar-calendar chinese-calendar julian-date celestial-mechanics occultation jpl-ephemeris ziwei-doushu fixed-stars de441 de442
  • Updated Oct 22, 2026
  • Python

RedSC1 / dart-ephemeris

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Native Dart astronomy powered by Taiyin C++. Supports DE441/DE442 OPM2 (~0.001 arcsec typical reconstruction difference from source) and JPL BSP/SPK; planets, stars, eclipses, events, Chinese calendars and astrology; optional BaZi/Ziwei. Precision data supplied separately.

dart astronomy eclipse astrodynamics ephemeris astrology solar-system bazi lunar-calendar chinese-calendar julian-date celestial-mechanics occultation dart-ffi jpl-ephemeris ziwei-doushu fixed-stars de441 de442
  • Updated Oct 19, 2026
  • Dart

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