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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.
In this letter Mr. Mullaney suggested that William Herschel's original catalogue of 2,500 objects would be an excellent basis for deep sky object selection for amateur astronomers looking for a challenge after completing the Messier Catalogue. The Herschel 400 is a subset of John Herschel's General Catalogue of Nebulae and Clusters published in ...
Catalogue of Nebulae and Clusters of Stars catalogued by William and Caroline Herschel; Catalogues published by John Herschel. General Catalogue of Nebulae and Clusters of Stars, catalogued by John Herschel; J.L.E. Dreyer's New General Catalogue and Index Catalogues, which expanded on the William, Caroline, John Herschel catalogues; Herschel ...
Nebulae become visible if the gas glows, or if the cloud reflects starlight or obscures light from more distant objects. The catalogues that it may refer to: Catalogue des nébuleuses et des amas d'étoiles (Messier "M" catalogue) first published 1771; Catalogue of Nebulae and Clusters of Stars (William Herschel 'CN'/"H" catalogue) first ...
0ES — Einstein Slew Survey, version 0 [1] 1A, 2A, 3A — Lists of X-ray sources from the Ariel V satellite [2] 1C — First Cambridge Catalogue of Radio Sources; 1ES — Einstein Slew Survey [1] [3] 1FGL, 2FGL [4] — Lists of gamma-ray sources from the Large Area Telescope on board the Fermi Gamma-ray Space Telescope; 1RXH — ROSAT HRI ...
John Dreyer Perseus 03h 19m 51.2s 41° 38′ 29″ 15 NGC 1429: Star NGC 1443: Star NGC 1446: Star NGC 1717 Star NGC 1742: Star NGC 1988: Star Jean Chacornac: Taurus 05h 37m 26.5s +21° 13′ 06″ [31] NGC 2390: Star NGC 2436 Star NGC 2471: Double star NGC 2702: Star NGC 2705: Star NGC 2707: Star NGC 3046 Star John Herschel: Antlia: NGC 3339 ...
Boss General Catalogue, an astronomical catalogue compiled by Benjamin Boss and published in the U.S. in 1936 General Catalogue of Nebulae and Clusters , an astronomical catalogue by John Herschel expanding on the work of his father William Herschel
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