Repositories list

• astropy.github.com

  Public
  The Astropy web pages

  HTML

  •

  BSD 3-Clause "New" or "Revised" License

  •105•46•23•6•Updated Oct 13, 2025Oct 13, 2025

• astropy-APEs

  Public
  A repository storing the Astropy Proposals for Enhancement.

  Other

  •38•38•9•7•Updated Oct 13, 2025Oct 13, 2025

• ccd-reduction-and-photometry-guide

  Public
  Read the CCD guide here:

  tutorialastronomyguide+ 4ccdastropylearn-astropypython

  Jupyter Notebook

  •

  BSD 3-Clause "New" or "Revised" License

  •54•107•30•2•Updated Oct 13, 2025Oct 13, 2025

• extension-helpers

  Public
  Helpers to assist with building Python packages with compiled C/Cython extensions

  python

  Python

  •

  BSD 3-Clause "New" or "Revised" License

  •13•17•6•2•Updated Oct 13, 2025Oct 13, 2025

• pyregion

  Public
  ds9 region parser for python

  astronomyregionsastropy+ 1python

  Python

  •

  MIT License

  •41•41•11•2•Updated Oct 13, 2025Oct 13, 2025

• coordinates-benchmark

  Public
  Accuracy Benchmarks of different coordinate conversion codes. Maintainers: @astrojuanlu, @astrofrog, and @cdeil

  Python

  •13•12•14•0•Updated Oct 13, 2025Oct 13, 2025

• astropy-integration-testing

  Public
  Regular integration tests of Coordinated packages with astropy

  5•4•4•1•Updated Oct 13, 2025Oct 13, 2025

• ccdproc

  Public
  Astropy affiliated package for reducing optical/IR CCD data

  pythonastronomyccd+ 1astropy-affiliated

  Python

  •

  BSD 3-Clause "New" or "Revised" License

  •89•91•67•4•Updated Oct 13, 2025Oct 13, 2025

• specutils

  Public
  An Astropy coordinated package for astronomical spectroscopy. Maintainers: @rosteen @keflavich @eteq

  astropy

  Python

  •132•192•197•10•Updated Oct 13, 2025Oct 13, 2025

• astropy

  Public
  Astronomy and astrophysics core library

  pythonscienceastronomy+ 2astrophysicsastropy

  Python

  •

  BSD 3-Clause "New" or "Revised" License

  •1.9k•4.9k•1.3k•121•Updated Oct 13, 2025Oct 13, 2025

• repo_stats

  Public
  Git and citation stats for your repo and papers

  Python

  •

  BSD 3-Clause "New" or "Revised" License

  •6•4•0•0•Updated Oct 13, 2025Oct 13, 2025

• astropy-iers-data

  Public
  IERS data maintained by @astrofrog and astropy.utils.iers maintainers

  astropyiers

  Python

  •

  BSD 3-Clause "New" or "Revised" License

  •8•3•4•0•Updated Oct 13, 2025Oct 13, 2025

• photutils

  Public
  Astropy package for source detection and photometry. Maintainer: @larrybradley

  pythonastronomyphotometry+ 3astropyastropy-affiliatedsource-detection

  Python

  •

  BSD 3-Clause "New" or "Revised" License

  •146•285•39•6•Updated Oct 10, 2025Oct 10, 2025

• SPISEA

  Public
  Stellar Population Synthesis Modeling

  Python

  •38•67•15•10•Updated Oct 10, 2025Oct 10, 2025

• reproject

  Public
  Python-based Astronomical image reprojection 🌌 - maintainers @astrofrog @Cadair @svank

  Python

  •

  BSD 3-Clause "New" or "Revised" License

  •69•117•67•5•Updated Oct 9, 2025Oct 9, 2025

• astroplan

  Public
  Observation planning package for astronomers – maintainer @bmorris3

  Python

  •

  BSD 3-Clause "New" or "Revised" License

  •120•210•48•17•Updated Oct 7, 2025Oct 7, 2025

• regions

  Public
  Astropy package for region handling

  astronomyregionastropy+ 1astropy-affiliated

  Python

  •

  BSD 3-Clause "New" or "Revised" License

  •57•65•51•9•Updated Oct 7, 2025Oct 7, 2025

• asdf-astropy

  Public
  This is the extension library for ASDF to provide support for Astropy.

  Python

  •

  BSD 3-Clause "New" or "Revised" License

  •19•18•14•6•Updated Oct 7, 2025Oct 7, 2025

• astroscrappy

  Public
  Speedy Cosmic Ray Annihilation Package in Python

  C

  •37•77•10•5•Updated Oct 2, 2025Oct 2, 2025

• pytest-filter-subpackage

  Public
  Simple pytest plugin to allow sub-packages to test to be selected with e.g. -P io.fits,modeling

  Python

  •

  BSD 3-Clause "New" or "Revised" License

  •7•5•4•1•Updated Oct 1, 2025Oct 1, 2025

• pyvo

  Public
  An Astropy affiliated package providing access to remote data and services of the Virtual Observatory (VO) using Python.

  Python

  •

  BSD 3-Clause "New" or "Revised" License

  •54•80•69•3•Updated Oct 1, 2025Oct 1, 2025

• pytest-remotedata

  Public
  Pytest plugin to control whether tests are run that have remote data

  Python

  •

  BSD 3-Clause "New" or "Revised" License

  •18•23•6•1•Updated Oct 1, 2025Oct 1, 2025

• astroquery

  Public
  Functions and classes to access online data resources. Maintainers: @keflavich and @bsipocz and @ceb8

  pythonastronomyastropy+ 2astropy-affiliatedclosember

  Python

  •

  BSD 3-Clause "New" or "Revised" License

  •423•751•353•40•Updated Oct 1, 2025Oct 1, 2025

• astrowidgets

  Public
  *PRE-ALPHA*/heavy dev. Jupyter widgets leveraging the Astropy ecosystem

  visualizationimagewidget+ 3astronomyjupyter-notebookjupyterlab

  Python

  •

  BSD 3-Clause "New" or "Revised" License

  •16•34•12•3•Updated Oct 1, 2025Oct 1, 2025

• sphinx-astropy

  Public
  Sphinx functionality for Astropy

  Python

  •

  BSD 3-Clause "New" or "Revised" License

  •18•6•11•1•Updated Oct 1, 2025Oct 1, 2025

• astropy-data

  Public
  The source for the astropy data repository (although the primary server is not on github)

  CSS

  •60•13•6•2•Updated Oct 1, 2025Oct 1, 2025

• astropy-sphinx-theme

  Public
  Standalone version of the Astropy sphinx theme

  JavaScript

  •

  BSD 3-Clause "New" or "Revised" License

  •18•5•14•3•Updated Oct 1, 2025Oct 1, 2025

• sphinx-automodapi

  Public
  Sphinx extension for generating API documentation

  pythondocumentationsphinx

  Python

  •

  BSD 3-Clause "New" or "Revised" License

  •48•66•46•4•Updated Oct 1, 2025Oct 1, 2025

• pytest-astropy

  Public
  Metapackage for all the testing machinery used by the Astropy Project

  Python

  •

  BSD 3-Clause "New" or "Revised" License

  •13•5•1•0•Updated Oct 1, 2025Oct 1, 2025

• astropy-project

  Public
  Documents and policies regarding the Astropy Project as a whole.

  TeX

  •

  Creative Commons Attribution 4.0 International

  •44•42•65•3•Updated Sep 23, 2025Sep 23, 2025