# astropy.io.fits — Reference

This file is a placeholder for the extended `astropy.io.fits` reference promised in the skill workflow.

For file operations, header manipulation, image and table handling, multi-extension files, and performance considerations, see the upstream astropy docs:

- https://docs.astropy.org/en/stable/io/fits/
- https://docs.astropy.org/en/stable/io/fits/usage/headers.html