Repositories list

• astropy

  Public
  Astronomy and astrophysics core library

  pythonscienceastronomy+ 2astrophysicsastropy

  Python

  •

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

  •1.9k•4.7k•1.3k•130•Updated Jul 12, 2025Jul 12, 2025

• repo_stats

  Public
  Git and citation stats for your repo and papers

  Python

  •

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

  •5•4•0•0•Updated Jul 12, 2025Jul 12, 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•33•12•3•Updated Jul 11, 2025Jul 11, 2025

• astro-image-display-api

  Public
  Astronomical image display API definition for cross-backend interoperability

  visualizationapiimage+ 1astronomy

  Python

  •

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

  •4•3•6•0•Updated Jul 11, 2025Jul 11, 2025

• photutils

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

  pythonastronomyphotometry+ 3astropyastropy-affiliatedsource-detection

  Python

  •

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

  •145•275•37•8•Updated Jul 10, 2025Jul 10, 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

  •419•737•346•37•Updated Jul 10, 2025Jul 10, 2025

• specutils

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

  astropy

  Python

  •129•186•193•12•Updated Jul 9, 2025Jul 9, 2025

• astropy.github.com

  Public
  The Astropy web pages

  HTML

  •

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

  •104•45•21•6•Updated Jul 9, 2025Jul 9, 2025

• specreduce

  Public
  Tools for the reduction of spectroscopic observations from Optical and NIR instruments

  spectroscopyastropy

  Jupyter Notebook

  •40•65•52•10•Updated Jul 8, 2025Jul 8, 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•5•1•Updated Jul 7, 2025Jul 7, 2025

• reproject

  Public
  Python-based Astronomical image reprojection 🌌 - maintainer @astrofrog

  Python

  •

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

  •68•116•71•7•Updated Jul 7, 2025Jul 7, 2025

• regions

  Public
  Astropy package for region handling

  astronomyregionastropy+ 1astropy-affiliated

  Python

  •

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

  •56•62•50•7•Updated Jul 7, 2025Jul 7, 2025

• ccdproc

  Public
  Astropy affiliated package for reducing optical/IR CCD data

  pythonastronomyccd+ 1astropy-affiliated

  Python

  •

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

  •91•90•59•5•Updated Jul 7, 2025Jul 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

  •17•18•13•6•Updated Jul 7, 2025Jul 7, 2025

• astropy-figure-tests

  Public
  Truth images for visualization tests in CircleCI

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

  •3•1•0•0•Updated Jul 7, 2025Jul 7, 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•3•0•Updated Jul 7, 2025Jul 7, 2025

• astropy-benchmarks

  Public
  Benchmarks for the astropy project

  Python

  •

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

  •29•9•15•2•Updated Jul 3, 2025Jul 3, 2025

• astroscrappy

  Public
  Speedy Cosmic Ray Annihilation Package in Python

  C

  •36•77•9•3•Updated Jul 2, 2025Jul 2, 2025

• pytest-arraydiff

  Public
  pytest plugin to facilitate comparison of results to a pre-defined reference

  pytestarrayspytest-plugin

  Python

  •

  Other

  •20•27•5•1•Updated Jul 1, 2025Jul 1, 2025

• pytest-astropy-header

  Public
  pytest plugin to add diagnostic information to the header of the test output

  Python

  •

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

  •9•8•3•0•Updated Jul 1, 2025Jul 1, 2025

• SPISEA

  Public
  Stellar Population Synthesis Modeling

  Python

  •37•66•13•10•Updated Jul 1, 2025Jul 1, 2025

• astropy-APEs

  Public
  A repository storing the Astropy Proposals for Enhancement.

  Other

  •38•38•7•6•Updated Jun 30, 2025Jun 30, 2025

• astropy-healpix

  Public
  BSD-licensed HEALPix for Astropy - maintained by @astrofrog and @lpsinger

  pythonhealpixastropy

  C

  •

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

  •23•57•24•2•Updated Jun 30, 2025Jun 30, 2025

• astropy-integration-testing

  Public
  Regular integration tests of Coordinated packages with astropy

  5•4•4•2•Updated Jun 30, 2025Jun 30, 2025

• saba

  Public archive
  A Package which allows astropy to interface with sherpa

  Python

  •

  GNU General Public License v3.0

  •10•9•7•6•Updated Jun 27, 2025Jun 27, 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•79•74•4•Updated Jun 25, 2025Jun 25, 2025

• ccd-reduction-and-photometry-guide

  Public
  Read the CCD guide here:

  tutorialastronomyguide+ 4ccdastropylearn-astropypython

  Jupyter Notebook

  •

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

  •52•106•28•2•Updated Jun 22, 2025Jun 22, 2025

• sphinx-automodapi

  Public
  Sphinx extension for generating API documentation

  pythondocumentationsphinx

  Python

  •

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

  •48•66•46•4•Updated Jun 14, 2025Jun 14, 2025

• sphinx-astropy

  Public
  Sphinx functionality for Astropy

  Python

  •

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

  •18•6•12•1•Updated Jun 13, 2025Jun 13, 2025

• astropy-data

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

  CSS

  •59•12•6•1•Updated May 29, 2025May 29, 2025