astrometry-data-tycho2-07-bigendian - 2-5 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 4107 index file from the Tycho-2 catalog
containing skymarks of sizes 22 arcminutes to 30 arcminutes. Byte order
is big endian.