Astro Data Lab

USNO

The Data Lab hosts both USNO A2 and B1 as astrometric reference datasets. For description of these catalogs, see:

The Astro Data Lab is part of the Community Science and Data Center (CSDC) at NSF’s NOIRLab, the national center for ground-based nighttime astronomy in the United States operated by the Association of Universities for Research in Astronomy (AURA) under cooperative agreement with the National Science Foundation.

For further information, contact datalab@noirlab.edu.