IAU and Sky & Telescope magazine (Roger Sinnott & Rick Fienberg)
Cygnus
The Swan
OriginAncient
AbbreviationCyg
GenitiveCygni
Pronunciation/ˈsɪɡnəs/ SIG-nəss genitive /ˈsɪɡnaɪ/ SIG-nye
SIG-nus
LocationNorthern Hemisphere
Primary StarDeneb (α Cyg)
Right Ascention 20h 41m Declination +45° 17'
Martian Solar Lag δ(🜨→♂) +0.595 h (35.7 min)
Cygnus, “The Swan” is connected with several myths. In one of the more popular ones, Cygnus is Zeus. To seduce Leda, wife of Tyndareus, king of Sparta, Zeus took the form of a swan. The offspring from this union were Polydeuces and Castor, who are represented by the constellation Gemini, and the beautiful Helen (Helen of Troy).
www.underthesky.com
Cygnus as depicted by Johann Bayer in his Uranometria (1624). Source image provided by www.RareMaps.com — Barry Lawrence Ruderman Antique Maps Inc. Via www.underthenightsky.com.
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1 Cygnus 1303 2 Cygnus 1303 3 Cygnus 1303 4 Cygnus 1303 5 Cygnus 1303 6 Cygnus 1303 7 Cygnus 1303 8 Cygnus 1303 9 Cygnus 1303 10 Cygnus 1303 11 Cygnus 1303 12 Cygnus 1303 13 Cygnus 1303 14 Cygnus 1303 15 Cygnus 1303 16 Cygnus 1303 17 Cygnus 1303 18 Cygnus 1303 19 Cygnus 1303 20 Cygnus 1303 21 Cygnus 1303 22 Cygnus 1303 23 Cygnus 1303 24 Cygnus 1303 25 Cygnus 1303 26 Cygnus 1303 27 Cygnus 1303 28 Cygnus 1303 1 Delphinus 1303 8 March 4063 9 March 4063 10 March 4063 11 March 4063 12 March 4063 13 March 4063 14 March 4063 15 March 4063 16 March 4063 17 March 4063 18 March 4063 19 March 4063 20 March 4063 21 March 4063 22 March 4063 23 March 4063 24 March 4063 25 March 4063 26 March 4063 27 March 4063 28 March 4063 29 March 4063 30 March 4063 31 March 4063 1 April 4063 2 April 4063 3 April 4063 4 April 4063 5 April 4063 6 April 4063
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