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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.

65 records
Tagged “astronomy”Ranked by health index
PyPI
100Exceptionalhealth index
astropy/astropy
Astronomy and astrophysics core library
Python · C★ 5,288↓ 3.4M/moAug 28, 2026
BSD-3-ClauseAug 28, 2026 · metrics 2.10.0
PyPI
96Exceptionalhealth index
asdf-format/asdf
ASDF (Advanced Scientific Data Format) is a next generation interchange format for scientific data
Python★ 565↓ 250.4K/moSep 13, 2026
BSD-3-ClauseSep 13, 2026 · metrics 2.10.0
PyPI
94Exceptionalhealth index
astropy/photutils
Astropy package for source detection and photometry. Maintainer: @larrybradley
Python★ 314↓ 152.2K/moOct 16, 2026
BSD-3-ClauseOct 16, 2026 · metrics 2.10.0
PyPI
94Exceptionalhealth index
gammapy/gammapy
A Python package for gamma-ray astronomy
Python★ 292↓ 4,302/moSep 11, 2026
BSD-3-ClauseSep 11, 2026 · metrics 2.10.0
PyPI
93Exceptionalhealth index
jobovy/galpy
Galactic Dynamics in python
Python · C★ 284↓ 3,854/moSep 13, 2026
BSD-3-ClauseSep 13, 2026 · metrics 2.10.0
PyPI · RubyGems
90Excellenthealth index
lenstronomy/lenstronomy
Multi-purpose lens modeling software package
Python★ 224↓ 3,203/moOct 19, 2026
BSD-3-ClauseOct 19, 2026 · metrics 2.10.0
PyPI
90Excellenthealth index
liberfa/pyerfa
Python bindings for ERFA routines
Python · C★ 48↓ 3.6M/moAug 27, 2026
BSD-3-ClauseAug 27, 2026 · metrics 2.10.0
PyPI
90Excellenthealth index
lsst/daf_butler
Data Access abstraction framework for the Rubin Observatory
Python★ 15↓ 4,652/moSep 12, 2026
Custom licenseSep 12, 2026 · metrics 2.10.0
PyPI
89Excellenthealth index
PyAutoLabs/PyAutoLens
PyAutoLens: Open-Source Strong Gravitational Lensing
Python★ 185↓ 7,997/moSep 11, 2026
MITSep 11, 2026 · metrics 2.10.0
PyPI
88Excellenthealth index
PyAutoLabs/PyAutoFit
PyAutoFit: Classy Probabilistic Programming
Python★ 65↓ 7,533/moSep 27, 2026
MITSep 27, 2026 · metrics 2.10.0
PyPI
88Excellenthealth index
ashuttl/linecast
Weather, tides, the sun, the moon, maps, and a planetarium, in your terminal. The Old Farmer's Almanac meets Minitel.
Python★ 540↓ 4,259/moSep 26, 2026
MITSep 26, 2026 · metrics 2.10.0
PyPI
88Excellenthealth index
gwastro/pycbc
Core package to analyze gravitational-wave data, find signals, and study their parameters. This package was used in the first direct detection of gravitational waves (GW150914), and is used in the ongoing analysis of LIGO/Virgo data.
Python★ 391↓ 24.5K/moOct 19, 2026
GPL-3.0Oct 19, 2026 · metrics 2.10.0
PyPI
87Excellenthealth index
lightkurve/lightkurve
A friendly package for Kepler & TESS time series analysis in Python.
Python★ 531Sep 6, 2026
MITSep 6, 2026 · metrics 2.10.0
PyPI
87Excellenthealth index
spacetelescope/crds
Calibration Reference Data System for HST and JWST.
Python★ 13↓ 43K/moSep 6, 2026
Custom licenseSep 6, 2026 · metrics 2.10.0
PyPI
86Excellenthealth index
PyAutoLabs/PyAutoGalaxy
PyAutoGalaxy: Open-Source Multiwavelength Galaxy Structure & Morphology
Python★ 33↓ 4,522/moSep 27, 2026
MITSep 27, 2026 · metrics 2.10.0
PyPI · crates.io
86Excellenthealth index
artis-mcrt/artistools
Plotting, analysis, and format conversion tools for ARTIS simulations
Python★ 17↓ 12.7K/moOct 8, 2026
MITOct 8, 2026 · metrics 2.10.0
PyPI
84Excellenthealth index
exoplanet-dev/jaxoplanet
Astronomical time series analysis with JAX
Python★ 87↓ 2,689/moOct 19, 2026
MITOct 19, 2026 · metrics 2.10.0
PyPI
84Excellenthealth index
sherpa/sherpa
Fit models to your data in Python with Sherpa.
Python · Jupyter Notebook★ 163↓ 5,471/moOct 14, 2026
GPL-3.0Oct 14, 2026 · metrics 2.10.0
PyPI
83Excellenthealth index
FormingWorlds/Zalmoxis
Planetary interior structure model
Python★ 4↓ 2,412/moSep 10, 2026
Apache-2.0Sep 10, 2026 · metrics 2.10.0
PyPI
83Excellenthealth index
PyAutoLabs/PyAutoArray
Array and grid manipulation for the PyAuto ecosystem
Python★ 10↓ 5,118/moOct 2, 2026
MITOct 2, 2026 · metrics 2.10.0
PyPI
83Excellenthealth index
danieljprice/phantom
Phantom Smoothed Particle Hydrodynamics and Magnetohydrodynamics code
Fortran★ 163Sep 18, 2026
Custom licenseSep 18, 2026 · metrics 2.10.0
PyPI
83Excellenthealth index
spacetelescope/stsynphot_refactor
Synthetic photometry using Astropy for HST and JWST
Python★ 17↓ 2,952/moOct 20, 2026
BSD-3-ClauseOct 20, 2026 · metrics 2.10.0
npm
81Excellenthealth index
simiancraft/unitforge
Forge anything measurable. A units library that does not assume you are doing physics.
TypeScript★ 4↓ 5,817/moOct 21, 2026
MITOct 21, 2026 · metrics 2.10.0
PyPI
80Excellenthealth index
FormingWorlds/VULCAN
Chemical kinetics for exoplanetary atmospheres. Modified and redistributed.
Python · C++★ 1↓ 2,689/moOct 14, 2026
GPL-3.0Oct 14, 2026 · metrics 2.10.0
PyPI
80Excellenthealth index
TheDaniel166/moira
Astronomy-first pure-Python ephemeris and astrology computation engine with transparent, auditable calculations.
Python★ 33↓ 9,470/moSep 5, 2026
MITSep 5, 2026 · metrics 2.10.0
npm
80Excellenthealth index
nasa-gcn/gcn-kafka-js
Official Node.js client for the General Coordinates Network (GCN)
TypeScript★ 0↓ 981/moSep 16, 2026
CC0-1.0Sep 16, 2026 · metrics 2.10.0
Go
80Excellenthealth index
philoserf/dusk
Zero-dependency Go package for astronomical calculations: sunrise/sunset, moonrise/moonset, twilight, and lunar phase, based on Meeus.
Go★ 0Oct 12, 2026
GPL-3.0Oct 12, 2026 · metrics 2.10.0
NuGet
78Goodhealth index
isbeorn/nina
N.I.N.A. (Nighttime Imaging 'N' Astronomy) - Advanced astrophotography sequencing software for Windows, supporting full automation of imaging sessions.
C# · C★ 224Aug 23, 2026
MPL-2.0Aug 23, 2026 · metrics 2.10.0
PyPI
77Goodhealth index
bluescarni/heyoka.py
Python library for ODE integration via Taylor's method and LLVM
Python · C++★ 92↓ 37.4K/moSep 25, 2026
MPL-2.0Sep 25, 2026 · metrics 2.10.0
npm
77Goodhealth index
mourner/suncalc
A tiny JavaScript library for calculating sun/moon positions and phases.
JavaScript★ 3,467↓ 1.1M/moSep 10, 2026
BSD-2-ClauseSep 10, 2026 · metrics 2.10.0