Astropy

The Astropy Project is a community effort to develop a common core package for Astronomy in Python and foster an ecosystem of Affiliated Packages. The Astropy community is committed to supporting the Astropy Community Code of Conduct.
Please remember to acknowledge and cite the use of Astropy!
What’s new in Astropy 8.0
Latest stable release:
There are a number of ways of installing the latest release of the astropy core package. If you normally use pip to install Python packages, you can do:
The astropy core package is also available in a number of other package managers, so be sure to check your preferred one! Please see the astropy installation guide for important details.
This guide covers creating a Python environment, installing with pip or conda, building from source, requirements, and testing.
You can explore the functionality available in Astropy by checking out the Tutorials and Documentation.
If you have any questions regarding using Astropy there are numerous channels for communication. Post to any one of several forums to get help from our active, helpful, and friendly community of users and developers.
If you encounter something you believe to be a mistake, error, or bug, the best way to get it addressed is to report it on the github issue tracker. If you aren’t sure if something is a bug or not, or if you don’t have a Github account, feel free to ask on one of the forums. If you believe you know how to fix the problem, please consider contributing!
If you use Astropy in your work, we would be grateful if you could include an acknowledgment in papers and/or presentations. See Acknowledging & Citing Astropy for details.
You can also purchase apparel and trinkets from the NumFOCUS shop, and a portion of the profits go to support the project!
If you are interested in directly financially supporting Astropy (either one-time or recurring), you can do so via our fiscal sponsor NumFOCUS:
Lancelot M. Berkeley–New York Community Trust Prize for Meritorious Work in Astronomy (2025)
IOP Publishing Top Cited Paper Awards North America (2023)
ADASS Prize for an Outstanding Contribution to Astronomical Software (2022)
Royal Astronomical Society Group Award (Astronomy) (2020)
Documents, notes from previous meetings, and talks about Astropy are collected in a Zenodo community for long-term archiving. Everyone is encouraged to submit talks, etc. and other relevant materials.
© Copyright 2026, Astropy Community.
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