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Delphinus(del-fÿ -nŭs) (Dolphin) A small constellation in the northern hemisphere near Cygnus, the brightest stars being of 3rd magnitude (α) and 4th magnitude (β, γ); all three are double stars. Abbrev.: Del; genitive form: Delphini; approx. position: RA 20.5h, dec +10°; area: 189 sq deg.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
(“the dolphin”), a constellation of the northern sky. Its three brightest stars have apparent stellar magnitudes of 3.7, 3.8, and 4. The best conditions for observations are in June, July, and August. Delphinus is visible throughout the USSR.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
A northern constellation, right ascension 21 hours, declination 10° north. Also known as Dolphin.
A genus of cetacean mammals, including the dolphin.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.