---
name: "fitsgetext"
section: "1"
platform: "linux"
package: "astrometry.net"
version: "0.97+dfsg-2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/fitsgetext"
---

# fitsgetext(1)

Pull out individual header or data blocks from multi-HDU FITS files.

## NAME

fitsgetext - Pull out individual header or data blocks from multi-HDU FITS files.

## OPTIONS

- **-o** *file*

  Output file

- **-a**

  Write out ALL extensions; the output filename should be a sprintf(1) pattern such as "extension-%04i".

- **-b**

  Print sizes and offsets in FITS blocks (of 2880 bytes)

- **-M**

  Print sizes in megabytes (using floor(), not round()!)

- **-D**

  Data blocks only

- **-H**

  Header blocks only

- **-e** *extension*

  Extension number

- **-v**

  \+verbose

## AUTHOR

The Astrometry.net team. Principal investigators are David W. Hogg (NYU) and Dustin Lang (CMU).

## SEE ALSO

http://astrometry.net