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    87 repositories

    • astropy-iers-data

      Public
      IERS data maintained by @astrofrog and astropy.utils.iers maintainers
      astropyiers
      astropyiers
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •9•3•7•6•Updated May 4, 2026May 4, 2026

    • specreduce

      Public
      Tools for the reduction of spectroscopic observations from Optical and NIR instruments
      spectroscopyastropy
      spectroscopyastropy
      Jupyter Notebook
      •41•67•50•8•Updated May 3, 2026May 3, 2026

    • astropy

      Public
      Astronomy and astrophysics core library
      pythonscienceastronomy
      pythonscienceastronomyastrophysicsastropy
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •2.1k•5.1k•1.3k•127•Updated May 3, 2026May 3, 2026

    • 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 May 3, 2026May 3, 2026

    • regions

      Public
      Astropy package for region handling Maintainers: @larrybradley @keflavich
      astronomyregionastropy
      astronomyregionastropyastropy-affiliated
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •58•65•52•11•Updated May 2, 2026May 2, 2026

    • 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•0•Updated May 2, 2026May 2, 2026

    • pytest-remotedata

      Public
      Pytest plugin to control whether tests are run that have remote data
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •17•24•6•1•Updated May 1, 2026May 1, 2026

    • reproject

      Public
      Python-based Astronomical image reprojection :milky_way: - maintainers @astrofrog @Cadair @svank
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •71•126•72•10•Updated May 1, 2026May 1, 2026

    • pytest-arraydiff

      Public
      pytest plugin to facilitate comparison of results to a pre-defined reference
      pytestarrayspytest-plugin
      pytestarrayspytest-plugin
      Python
      •
      Other
      •21•27•4•1•Updated May 1, 2026May 1, 2026

    • astropy-sphinx-theme

      Public
      Standalone version of the Astropy sphinx theme
      JavaScript
      •
      BSD 3-Clause "New" or "Revised" License
      •20•5•13•3•Updated May 1, 2026May 1, 2026

    • astropy-benchmarks

      Public
      Benchmarks for the astropy project
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •34•9•15•3•Updated May 1, 2026May 1, 2026

    • photutils

      Public
      Astropy package for source detection and photometry. Maintainer: @larrybradley
      pythonastronomyphotometry
      pythonastronomyphotometryastropyastropy-affiliatedsource-detection
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •151•300•36•5•Updated May 1, 2026May 1, 2026

    • asdf-astropy

      Public
      This is the extension library for ASDF to provide support for Astropy.
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •20•19•13•2•Updated May 1, 2026May 1, 2026

    • 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
      •11•8•3•0•Updated May 1, 2026May 1, 2026

    • astrowidgets

      Public
      *PRE-ALPHA*/heavy dev. Jupyter widgets leveraging the Astropy ecosystem
      visualizationimagewidget
      visualizationimagewidgetastronomyjupyter-notebookjupyterlab
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •16•34•12•3•Updated May 1, 2026May 1, 2026

    • sphinx-astropy

      Public
      Sphinx functionality for Astropy
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •20•6•11•1•Updated May 1, 2026May 1, 2026

    • sphinx-automodapi

      Public
      Sphinx extension for generating API documentation
      pythondocumentationsphinx
      pythondocumentationsphinx
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •48•66•48•0•Updated May 1, 2026May 1, 2026

    • astroplan

      Public
      Observation planning package for astronomers – maintainer @bmorris3
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •119•220•53•20•Updated May 1, 2026May 1, 2026

    • astropy-data

      Public
      The source for the astropy data repository (although the primary server is not on github)
      CSS
      •63•13•6•2•Updated May 1, 2026May 1, 2026

    • specutils

      Public
      An Astropy coordinated package for astronomical spectroscopy. Maintainers: @rosteen @keflavich @eteq
      astropy
      astropy
      Python
      •134•197•200•14•Updated May 1, 2026May 1, 2026

    • pytest-astropy

      Public
      Metapackage for all the testing machinery used by the Astropy Project
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •13•5•2•0•Updated May 1, 2026May 1, 2026

    • SPISEA

      Public
      Stellar Population Synthesis Modeling
      Python
      •40•71•14•8•Updated Apr 30, 2026Apr 30, 2026

    • ccdproc

      Public
      Astropy affiliated package for reducing optical/IR CCD data
      pythonastronomyccd
      pythonastronomyccdastropy-affiliated
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •89•94•67•6•Updated Apr 27, 2026Apr 27, 2026

    • extension-helpers

      Public
      Helpers to assist with building Python packages with compiled C/Cython extensions
      python
      python
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •14•17•5•3•Updated Apr 17, 2026Apr 17, 2026

    • astroquery

      Public
      Functions and classes to access online data resources. Maintainers: @keflavich and @bsipocz
      pythonastronomyastropy
      pythonastronomyastropyastropy-affiliatedclosember
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •437•776•363•47•Updated Apr 16, 2026Apr 16, 2026

    • halotools

      Public
      Python package for studying large scale structure, cosmology, and galaxy evolution using N-body simulations and halo models
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •70•117•61•4•Updated Apr 13, 2026Apr 13, 2026

    • astropy-healpix

      Public
      BSD-licensed HEALPix for Astropy - maintained by @astrofrog and @lpsinger
      pythonhealpixastropy
      pythonhealpixastropy
      C
      •
      BSD 3-Clause "New" or "Revised" License
      •26•60•27•5•Updated Apr 13, 2026Apr 13, 2026

    • astropy-figure-tests

      Public
      Truth images for visualization tests in CircleCI
      BSD 3-Clause "New" or "Revised" License
      •4•1•0•0•Updated Apr 11, 2026Apr 11, 2026

    • 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
      •58•85•72•4•Updated Apr 3, 2026Apr 3, 2026

    • astroscrappy

      Public
      Speedy Cosmic Ray Annihilation Package in Python
      Cython
      •36•79•6•2•Updated Apr 1, 2026Apr 1, 2026
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