Install iraf-wcstools by entering the following commands in the terminal:
sudo apt update sudo apt install iraf-wcstools
Description:
Handle the WCS of a FITS image (IRAF package)
WCSTools is a set of software utilities, written in C, which create, display and manipulate the world coordinate system of a FITS or IRAF image, using specific keywords in the image header which relate pixel position within the image to position on the sky. Auxiliary programs search star catalogs and manipulate images. . This package contains the IRAF package.
Homepage: http://tdc-www.harvard.edu/software/wcstools/
Version: 3.9.5-2
Section: universe/science