Install astrometry-data-tycho2 by entering the following commands in the terminal:
sudo apt update sudo apt install astrometry-data-tycho2
Description:
Astrometry.net Tycho-2 index files
The astrometry engine will take any image and return the astrometry world coordinate system (WCS), a standards-based description of the transformation between image coordinates and sky coordinates. . This package installs all index file from the Tycho-2 catalog.
Homepage: http://www.astro.ku.dk/~erik/Tycho-2/
Version: 2-3
Section: universe/science