---
name: "delwcs"
section: "1"
platform: "linux"
package: "wcstools"
version: "3.9.7-1.1+b1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/delwcs"
---

# delwcs(1)

Delete WCS in FITS and IRAF image files

## Name

delwcs - Delete WCS in FITS and IRAF image files

## Synopsis

delwcs \[-v\] FITS or IRAF file(s)

## Description

Delete WCS keywords "CTYPE1", "CRVAL1", "CDELT1", "CRPIX1", "CROTA1", "CTYPE2", "CRVAL2", "CDELT2", "CRPIX2", "CROTA2", and "IMWCS" from a fits header.  If there are "WRA", WDEC", and "WEPOCH" or "WEQUINOX" keywords present, their values replace those lf "RA", "DEC", and "EPOCH" or "EQUINOX".

## Options

- **-n**

  Write new output file with "e" before the file type extension.  The default is to overwrite the input file.

- **-v**

  Print names of keywords as they are deleted

## Author

Jessica Mink, SAO (jmink@cfa.harvard.edu)