USNO Robotic Astrometric Telescope
The USNO Robotic Astrometric Telescope (URAT) is an astrometric star catalog from the United States Naval Observatory .
This catalog provides the following catalog of UCAC is.
Versions
URAT-1
The first version of the catalog has been available since May 2015. This version covers the northern hemisphere up to about 15 ° south declination.