Repositories list

• fits3

  Public
  WebGPU astronomical FITS cube viewer

  rustastronomycube+ 3webgpufitswgpu-rs

  Rust

  •

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

  •0•1•14•0•Updated Feb 18, 2026Feb 18, 2026

• cds.pyreadme

  Public
  ReadMe and MRT builder for authors

  Python

  •

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

  •7•40•3•0•Updated Feb 17, 2026Feb 17, 2026

• a-FAIR-journey-for-astronomical-data

  Public
  dataastronomycds+ 8open-sciencevirtual-observatoryfaireudativoafair-dataastrophyics+ 1

  HTML

  •

  Other

  •1•8•0•0•Updated Feb 17, 2026Feb 17, 2026

• cds-bstree-file-readonly-rust

  Public
  Make and Query read-only binary-search tree file, supporting billions of entries in files of tens of GB.

  Rust

  •

  Apache License 2.0

  •0•0•0•0•Updated Feb 16, 2026Feb 16, 2026

• astroquery

  Public

  cds-astro/astroquery’s past year of commit activity
  Functions and classes to access online data resources. Maintainer: @keflavich and @bsipocz

  Python

  •

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

  •430•9•0•0•Updated Feb 12, 2026Feb 12, 2026

• cds-healpix-rust

  Public
  The CDS HEALPix library in Rust (WebAssembly, Python, ...)

  Rust

  •

  Apache License 2.0

  •11•28•5•1•Updated Feb 11, 2026Feb 11, 2026

• aladin-lite

  Public
  An astronomical HiPS visualizer in the browser

  javascriptrustastronomy+ 6imagesvisualizermap-viewervirtual-observatorywebgl2hips

  JavaScript

  •

  GNU General Public License v3.0

  •52•142•57•0•Updated Feb 5, 2026Feb 5, 2026

• ipyaladin

  Public
  An IPython Widget for Aladin Lite, the sky viewer.

  visualizationpythonastronomy+ 4astrophysicsipywidgetsaladinjupyterlab-extension

  Python

  •

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

  •34•153•13•2•Updated Jan 22, 2026Jan 22, 2026

• cds-healpix-python

  Public
  cdshealpix python package

  Python

  •

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

  •4•8•7•0•Updated Jan 22, 2026Jan 22, 2026

• tutorials

  Public

  cds-astro/tutorials’s past year of commit activity
  Jupyter Notebook tutorials using astronomical databases and virtual observatory tools

  pythonopen-sourceastronomy+ 11jupyter-notebooktutorialsastrophysicsdatabase-accessvirtual-observatoryaladinsimbad+ 4

  Jupyter Notebook

  •

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

  •22•83•0•2•Updated Jan 12, 2026Jan 12, 2026

• cds-fitstable-rust

  Public
  A native, full Rust, library to read tabular data in FITS files

  Rust

  •

  GNU Lesser General Public License v3.0

  •0•0•0•0•Updated Dec 18, 2025Dec 18, 2025

• cds-votable-rust

  Public
  Library to read/write VOTables in Rust and to convert them in JSON, YAML, TOML and back to XML.

  Rust

  •

  Apache License 2.0

  •1•7•2•0•Updated Dec 17, 2025Dec 17, 2025

• cds-moc-rust

  Public
  MOC library in Rust; used in MOCPy, a CLI, a WASM lib, ...

  Rust

  •

  Apache License 2.0

  •7•9•1•0•Updated Dec 12, 2025Dec 12, 2025

• mocpy

  Public
  Python library to easily create and manipulate MOCs (Multi-Order Coverage maps)

  pythonopen-sourceastronomy+ 7astrophysicsgravitational-waveshealpixastropy-affiliatedmoctesselationastronomy-astrophysics

  Python

  •

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

  •36•71•6•1•Updated Nov 21, 2025Nov 21, 2025

• fitsrs

  Public
  FITS file reader library implemented in pure Rust

  rustparserastronomy

  Rust

  •

  Apache License 2.0

  •10•30•6•0•Updated Oct 20, 2025Oct 20, 2025

• wcs-rs

  Public
  Rust

  •

  Apache License 2.0

  •4•10•0•0•Updated Oct 20, 2025Oct 20, 2025

• cds-skyregion-rust

  Public
  Defines sky region with functions to test coordinates and retrieve HEALPix cells.

  Rust

  •

  Apache License 2.0

  •0•0•0•0•Updated Jul 24, 2025Jul 24, 2025

• cds-astrometry-rust

  Public
  Rust

  •

  Apache License 2.0

  •0•0•0•0•Updated Jul 22, 2025Jul 22, 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

  •56•1•0•0•Updated May 6, 2025May 6, 2025

• hips2fits-cutout

  Public
  HiPS2FITS cutout script - Cutouts generation from private HiPS datasets

  Python

  •

  GNU Lesser General Public License v3.0

  •1•1•2•0•Updated Mar 5, 2025Mar 5, 2025

• cds-mapproj-rust

  Public
  Implementation of (a part of) map projections defined in the FITS World Coordinate System (WCS)

  Rust

  •

  Apache License 2.0

  •2•10•1•1•Updated Feb 10, 2025Feb 10, 2025

• cds-stc-rust

  Public
  STC parser in Rust

  Rust

  •

  Apache License 2.0

  •0•0•0•0•Updated Feb 4, 2025Feb 4, 2025

• cds.moc

  Public
  CDS java MOC library

  astronomymocivoa

  Java

  •4•3•0•0•Updated Dec 13, 2024Dec 13, 2024

• cds-healpix-java

  Public
  The CDS HEALPix library in Java

  Java

  •

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

  •12•10•1•1•Updated Nov 26, 2024Nov 26, 2024

• jupyterlite

  Public
  a Jupyterlite website containing notebooks examples

  pythonastronomyjupyter-notebook+ 5astrophysicspyodidejupyterlitemocpyipyaladin

  Jupyter Notebook

  •1•1•0•0•Updated Nov 6, 2024Nov 6, 2024

• cdshealpix-feedstock

  Public
  A conda-smithy repository for cdshealpix.

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

  •6•1•0•0•Updated Nov 5, 2024Nov 5, 2024

• conda-forge-pinning-feedstock

  Public
  A conda-smithy repository for conda-forge-pinning.

  Python

  •

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

  •580•0•0•0•Updated Oct 21, 2024Oct 21, 2024

• mocpy-feedstock

  Public
  A conda-smithy repository for mocpy.

  Python

  •

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

  •6•0•0•0•Updated Oct 18, 2024Oct 18, 2024

• cds.cdsclient

  Public
  VizieR package to query large tables (Gaia, 2MASS, SDSS, WISE, ...) including whole download capability

  Python

  •5•22•3•0•Updated Apr 3, 2024Apr 3, 2024

• vizier-workflows

  Public
  Suggested workflows (provided as jupyter notebooks) to handle VizieR from python

  Jupyter Notebook

  •

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

  •0•1•0•0•Updated Nov 28, 2023Nov 28, 2023