Binary package “astrometry-data-tycho2-10-19” in ubuntu focal

Astrometry.net Tycho-2 index files (60'-2000')

 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 the 4110-4119 index file from the Tycho-2 catalog
 containing skymarks of sizes 60 arcminutes to 2000 arcminutes.