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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.
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 ...
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
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 ...
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 ...
LBN — Lynds' Catalogue of Bright Nebulae; Lbz — P. Labitzke (double stars) LDN — Lynds' Catalogue of Dark Nebulae; LDS — Luyten Double Star catalogue; LEDA — Lyon-Meudon Extragalactic Database; Lederman — (telescopic asterisms) Le Gentil — (for example: Le Gentil 3 in Cygnus, at 21:08 / +51°40') (dark nebula)
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