The Guide star catalog
Edition: Version 1.1.
Publisher: Space Telescope Science Institute; distributed by the National Aeronautics and Space Administration
Published: 1992
Place of publication: Baltimore, Md; Washington, D.C
Language: eng
Format: [computer file]
Subjects: Stars; Catalogs; Software; Astronomical photometry; Hubble Space Telescope (Spacecraft)
Description: "An all-sky astrometric and photometric catalog prepared for the operation of the Hubble Space Telescope"--Disk.
Notes: "This catalog was produced under Contract NAS5-26555"--Guide.

Issued 1 Aug. 1992.

"The Guide Star Catalog (GSC), which has been constructed to support the operational need of the Hubble Space Telescope (HST) for off-axis guide stars, contains nearly 19 million objects brighter than sixteenth magnitude, of which more than 15 million are classified as stars." Guide.

CD-ROMs are in the ISO 9660 format.