Install wcslib-doc by entering the following commands in the terminal:
sudo apt update sudo apt install wcslib-doc
Description:
API documentation for wcslib
WCSLIB is a C library, supplied with a full set of Fortran wrappers, that implements the "World Coordinate System" (WCS) standard in FITS (Flexible Image Transport System). . This package contains the API documentation for WCSLIB.
Homepage: https://www.atnf.csiro.au/people/mcalabre/WCS/
Version: 5.18-1
Section: universe/doc