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The Herschel 400 catalogue is a subset of William Herschel's original Catalogue of Nebulae and Clusters of Stars, selected by Brenda F. Guzman (Branchett), Lydel Guzman, Paul Jones, James Morris, Peggy Taylor and Sara Saey of the Ancient City Astronomy Club in St. Augustine, Florida, United States c. 1980.
This catalogue originated the usage of letters and catalogue numbers as identifiers. The capital "H" followed with the catalogue entry number represented the item. [4] In 1864, the CN was expanded into the General Catalogue of Nebulae and Clusters of Stars (GC) by John Herschel (William's son). [5] The GC contained 5,079 entries.
Herschel 400 Catalogue, a subset of the Herschels' catalogues for amateur astronomers Topics referred to by the same term This disambiguation page lists articles associated with the title Herschel Catalogue .
It was discovered by William Herschel on February 23, 1784. [3] It is a member of the NGC 3640 Group of galaxies, which is a member of the Leo II Groups, a series of galaxies and galaxy clusters strung out from the right edge of the Virgo Supercluster. [4] It lies 2 degrees south of Sigma Leonis and is a member of the Herschel 400 Catalogue. It ...
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It was discovered by William Herschel on March 13, 1785. [3] NGC 4278 is part of the Herschel 400 Catalogue and can be found about one and 3/4 of a degree northwest of Gamma Comae Berenices even with a small telescope .
It was discovered by William Herschel on February 24, 1786. [3] It lies near 110 Virginis and is part of the Herschel 400 Catalogue. [4] It is a member of the NGC 5846 Group of galaxies, itself one of the Virgo III Groups strung out to the east of the Virgo Supercluster of galaxies. [5]
It was discovered by William Herschel on February 23, 1784. [4] NGC 4636 lies one and a half degrees southwest of Delta Virginis. It can be viewed through a telescope at a ×23 magnification as a bright oval glow. It is part of the Herschel 400 Catalogue. [5]