TY - ART TI - The Guide Star Catalog, Volume 1 AU - NASA AB -

"The Guide Star Catalog, Volume 1," or GSC, "which has been constructed to support the operational need of the Hubble Space Telescope (HST) for off-axis guide stars, contains 18,819,291 objects in the seventh to sixteenth magnitude range, of which more than 15 million are classified as stars."

--From the CD-ROM jacket

C3 - CD-ROM PY - 1989 LA - English M3 - Tool UR - https://the-next.eliterature.org/works/2402/0/0/ DB - The NEXT Y2 - 2025-04-02 ER -