The University Dark Sky Astronomy Consortium (UDSAC) Field Observatory is located in Hidalgo County in the southwest of New Mexico, 3 miles south of the town of Animas, 15 miles to the east of the Arizona state line, and 40 miles north of Mexico. The UDSAC Field Observatory is located on a 40-acre plot of land in a high desert valley plateau.
Coordinates: 31° 55' 01'' N, 108° 48' 04'' W (31.9169°N, 108.8011°W)
Elevation: 1359 m (4459 feet)
Darkness: >21.5 magnitudes/sq arc-sec)