Cancer is one of the 88 modern constellations recognized by the International Astronomical Union. Its genitive form is Cancri, its standard abbreviation is Cnc, it is traditionally shown as the Crab. It belongs to the Zodiac family of constellations. The constellation covers about 506 square degrees of sky, ranking 31st in size among the 88. Its brightest star is β Cnc (Tarf) at apparent magnitude 3.53. It borders Lynx, Gemini, Canis Minor, Hydra, Leo and Leo Minor. In this atlas the entity is the shared sky reference for astronomical objects catalogued by constellation, so every star, nebula or galaxy located within Cancer resolves to one identity.
Facts
Connections
Contains
Source Almagest (Mathematike Syntaxis)Claudius Ptolemy
Source Almagest (Mathematike Syntaxis)Claudius Ptolemy
In the Other Atlases
Constellation Contains
Also in Space and Astronomy Atlas: located in this constellation.
Also in Space and Astronomy Atlas: located in this constellation.
Sources
1. Wikipedia
Wikimedia FoundationWikipedia, Cancer (constellation), lead section and infoboxQuote, Wikipedia, Cancer (constellation), lead section and infobox
Cancer is one of the twelve constellations of the zodiac and is located in the northern celestial hemisphere.
Almagest (Mathematike Syntaxis)
Claudius Ptolemy, Springer-Verlag, 150- Contains: Castor, Stored zodiac-sign property on this entity, cited to this source: Cancer
- Contains: Pollux, Stored zodiac-sign property on this entity, cited to this source: Cancer
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