---
name: "fitsinfo"
section: "1"
platform: "linux"
package: "astropy-utils"
version: "7.0.1-3"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/fitsinfo"
---

# fitsinfo(1)

Print a summary of the HDUs in one or more FITS files(s)

## NAME

fitsinfo - Print a summary of the HDUs in one or more FITS files(s)

## SYNOPSIS

**fitsinfo** *filename* \[*filename* ...\]

## DESCRIPTION

**fitsinfo** is a command-line script based on astropy.io.fits for printing a summary of the HDUs in one or more FITS files(s) to the standard output.

## EXAMPLES

Example usage of **fitsinfo**:

1\. Print a summary of the HDUs in a FITS file:

    $ fitsinfo filename.fits

    Filename: filename.fits\
     No.    Name         Type      Cards   Dimensions   Format\
     0    PRIMARY     PrimaryHDU     138   ()\
     1    SCI         ImageHDU        61   (800, 800)   int16\
     2    SCI         ImageHDU        61   (800, 800)   int16\
     3    SCI         ImageHDU        61   (800, 800)   int16\
     4    SCI         ImageHDU        61   (800, 800)   int16

2\. Print a summary of HDUs of all the FITS files in the current directory:

    $ fitsinfo \*.fits