Install kstars-data-extra-tycho2 by entering the following commands in the terminal:
sudo apt update sudo apt install kstars-data-extra-tycho2
Description:
Tycho-2 star catalog for KStars
This package contains the data of the Tycho-2 star catalog for KStars, the desktop planetarium for KDE. It allows users to share a single centralized installation of the data instead of each needing to download their own personal copy of the whole catalog. It can also configure KStars to disable these user downloads.
Version: 1.1r1-9.1
Section: universe/science