The full USNO-B1.0 contains positional and proper motion data for more than a billion stars, occupies some 80 GB and has had a very limited distribution.The catalogue can be queried on-line.

• 0完全版星表包括了超过十亿颗恒星的位置和自行数据，占用80GB的空间，而且发行量很少，你可以在线查询它的数据。