astrometry-data-tycho2-08-bigendian - 2-4 main

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 contains the 4108 index file from the Tycho-2 catalog
containing skymarks of sizes 30 arcminutes to 44 arcminutes. Byte order
is big endian.