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#astronomy

Every repository in the public record carrying this tag — from its GitHub topics or the keywords its package registries publish. Health is measured under the same versioned methodology as the rest of the record.

17 records
Tagged “astronomy”Ranked by health index
PyPI
92Excellenthealth index
astropy/astropy
Astronomy and astrophysics core library
Python · C★ 5,240Jul 18, 2026
BSD-3-ClauseJul 18, 2026 · metrics 1.13.0
PyPI
82Goodhealth index
gammapy/gammapy
A Python package for gamma-ray astronomy
Python★ 283↓ 9,194/moJul 19, 2026
BSD-3-ClauseJul 19, 2026 · metrics 1.13.0
PyPI
77Goodhealth index
liberfa/pyerfa
Python bindings for ERFA routines
Python · C★ 47↓ 3.1M/moJul 21, 2026
BSD-3-ClauseJul 21, 2026 · metrics 1.13.0
PyPI
76Goodhealth index
lsst/daf_butler
Data Access abstraction framework for the Rubin Observatory
Python★ 15Jul 21, 2026
Custom licenseJul 21, 2026 · metrics 1.13.0
PyPI
73Goodhealth index
PyAutoLabs/PyAutoLens
PyAutoLens: Open-Source Strong Gravitational Lensing
Python★ 184↓ 7,997/moJul 19, 2026
MITJul 19, 2026 · metrics 1.13.0
PyPI
70Goodhealth index
spacetelescope/crds
Calibration Reference Data System for HST and JWST.
Python★ 13Jul 15, 2026
Custom licenseJul 15, 2026 · metrics 1.13.0
PyPI
67Moderatehealth index
FormingWorlds/Zalmoxis
Planetary interior structure model
Python★ 4Jul 17, 2026
Apache-2.0Jul 17, 2026 · metrics 1.13.0
npm
67Moderatehealth index
mourner/suncalc
A tiny JavaScript library for calculating sun/moon positions and phases.
JavaScript★ 3,411↓ 1M/moJul 18, 2026
BSD-2-ClauseJul 18, 2026 · metrics 1.13.0
PyPI
63Moderatehealth index
TheDaniel166/moira
Astronomy-first pure-Python ephemeris and astrology computation engine with transparent, auditable calculations.
Python★ 26↓ 7,800/moJul 15, 2026
MITJul 15, 2026 · metrics 1.13.0
PyPI
62Moderatehealth index
moble/scri
Python/numba code for manipulating time-dependent functions of spin-weighted spherical harmonics on future null infinity
Python · Jupyter Notebook★ 23↓ 4,929/moJul 14, 2026
MITJul 14, 2026 · metrics 1.13.0
Go
60Moderatehealth index
TuSKan/astrogo
Pure Go Astropy-inspired astronomy and observatory-planning toolkit
Go★ 1Jul 17, 2026
MITJul 17, 2026 · metrics 1.13.0
PyPI
59Moderatehealth index
anhydrous99/zigfitsio
A pure-Zig implementation of the FITS 4.0 astronomical data format, with feature parity goals against CFITSIO - no C import, no C sources.
Zig · TypeScript · Python★ 0↓ 7,409/moJul 18, 2026
MITJul 18, 2026 · metrics 1.13.0
PyPI
57Moderatehealth index
GalSim-developers/GalSim
The modular galaxy image simulation toolkit. Documentation:
Python · C++★ 271Jul 21, 2026
Custom licenseJul 21, 2026 · metrics 1.13.0
crates.io · PyPI
56Moderatehealth index
theatrus/seiza
Rust astronomical plate solver
Rust★ 2↓ 1,027/moJul 22, 2026
Apache-2.0Jul 22, 2026 · metrics 1.13.0
PyPI
53Moderatehealth index
g-battaglia/libephemeris
High-precision Python ephemeris — NASA JPL DE440/DE441 via Skyfield, Swiss-Ephemeris-compatible API. Independent, Apache-2.0 licensed: no Swiss Ephemeris code, data, or runtime dependency.
Python★ 14↓ 4,003/moJul 14, 2026
AGPL-3.0Jul 14, 2026 · metrics 1.13.0
Go
50Moderatehealth index
DiarmuidKelly/astrometry-go-client
Go client library wrapping astrometry Docker container via CLI exec. Solve astronomical images locally without internet access.
Go★ 0↓ 0/moJul 13, 2026
GPL-3.0Jul 13, 2026 · metrics 1.13.0