This is the first data release of the UCAC project, March 2000.

A catalog of preliminary positions and proper motions from the first 18 months of observing is now available on a CD-ROM. About 80% of the southern hemisphere is covered.

To request the UCAC1 CD-ROM please send an e-mail to nz@pisces.usno.navy.mil.
Please give your complete mailing address.