$ sudo apt-get update
$ sudo apt-get install astrometry-data-tycho2-08-litt

astrometry-data-tycho2-08-litt is installed in your system.

Make ensure the astrometry-data-tycho2-08-litt package were installed using the commands given below,

$ sudo dpkg-query -l | grep astrometry-data-tycho2-08-litt*

You will get with astrometry-data-tycho2-08-litt package name, version, architecture and description in a table

astrometry-data-tycho2-08-litt package basic information: