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Illustrated Guide to Astronomical Wonders by Barbara Fritchman Thompson, Robert Bruce Thompson

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18Cygnus, The Swan

NAME: Cygnus (SIG-nus)

SEASON: Summer

CULMINATION: midnight, 29 June

ABBREVIATION: Cyg

GENITIVE: Cygni (SIG-nee)

NEIGHBORS: Cep, Dra, Lac, Lyr, Peg, Vul

BINOCULAR OBJECTS: NGC 6819, NGC 6910, NGC 6913 (M 29), NGC 7063, NGC 7092 (M 39)

URBAN OBJECTS: NGC 6826, NGC 6910, NGC 7092 (M 39), 6-beta (STFA 43)

Cygnus is a large, prominent mid-northerly constellation, ranking 16th in size among the 88 constellations. It covers 804 square degrees of the celestial sphere, or about 1.9%.

Cygnus is an ancient constellation. In Greek mythology, Cygnus represents the swan form that Zeus assumed when he set out to seduce Queen Leda, the wife of King Tyndareus of Sparta. As a result of that union, Leda produced an egg, from which emerged ...

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