Hubble guide star catalog

Aug 28,  · The Guide Star Catalog (GSC), which has been constructed to support the operational need of the Hubble Space Telescope contains nearly 19 million objects brighter than sixteenth magnitude, of which more than 15 million are classified as stars. This catalog provides positions and magnitudes for these stars. Sep 21,  · The Guide Star Catalog (GSC), also known as the Hubble Space Telescope, Guide Catalog (HSTGC), is a star catalog compiled to support the Hubble Space Telescope with targeting off-axis stars. GSC-I contained approximately 20,, stars with apparent magnitudes of 6 to GSC-II contains ,, stars out to magnitude As far as possible, binary stars and non-stellar . The purpose of the GSC-ACT project is to recalibrate the Hubble Guide Star Catalog (GSC), version , using the ACT (Astrographic Catalog/Tycho) data from the US Naval Observatory. The recalibrated catalog might be available on CDROM, and a GSCACT option which does the recalibration on the fly may be added to WCSTools.

Hubble guide star catalog

Installing the Guide Star Catalog via Download. The Guide Star Catalog is available for downloading at the DC-3 Dreams GSC Download Site. This page. The Guide Star Catalog has been constructed to support the operational need of the Hubble Space Telescope. It contains over 25 million positions for about It's a very big universe out there, and an astronomer's work is never done when it comes to simply counting and cataloging the sheer number of stars in the. The Guide Star Catalog (GSC), also known as the Hubble Space Telescope, Guide Catalog (HSTGC), is a star catalog compiled to support the Hubble Space . The Hubble Guide Star Catalog – Astrographic Catalog/Tycho (GSC-ACT) is an astronomical catalog. It contains the twenty million stars of the Hubble GSC. () describing the Hubble Space Telescope Guide Star Catalog (GSC) as the ground-breaking article in astrometry published in either the Astronomical.

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Explore the Universe with Hubble Messier Catalog


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