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astropy.io.fits ⚬｜Documentation｜1st｜20251021153137-00-⌔

FITS File Handling (astropy.io.fits) — Astropy v7.2.0#introduction

Introduction

The astropy.io.fits package provides access to FITS files. FITS (Flexible Image Transport System) is a portable file standard widely used in the astronomy community to store images and tables.

Note: If you want to read or write a single table in FITS format, the recommended method is via the High-level Unified File I/O interface. In particular see the Unified I/O FITS section. Likewise, for CCD image data with a physical unit (e.g., electron), see the Unified Image Data section.

Printed 2026-06-28.

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