Astrometry Department

Astrometry Department
U.S. Naval Observatory

The Astrometry Department Web server has moved from this machine to http://ad.usno.navy.mil/. Please update your bookmarks.

The UCAC catalog may be found at http://ad.usno.navy.mil/ucac/.

The Planetary Nebulae pages may be found at http://ad.usno.navy.mil/pne/.