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 864 2 Cygnus 864 3 Cygnus 864 4 Cygnus 864 5 Cygnus 864 6 Cygnus 864 7 Cygnus 864 8 Cygnus 864 9 Cygnus 864 10 Cygnus 864 11 Cygnus 864 12 Cygnus 864 13 Cygnus 864 14 Cygnus 864 15 Cygnus 864 16 Cygnus 864 17 Cygnus 864 18 Cygnus 864 19 Cygnus 864 20 Cygnus 864 21 Cygnus 864 22 Cygnus 864 23 Cygnus 864 24 Cygnus 864 25 Cygnus 864 26 Cygnus 864 27 Cygnus 864 28 Cygnus 864 1 Delphinus 864 4 April 3237 5 April 3237 6 April 3237 7 April 3237 8 April 3237 9 April 3237 10 April 3237 11 April 3237 12 April 3237 13 April 3237 14 April 3237 15 April 3237 16 April 3237 17 April 3237 18 April 3237 19 April 3237 20 April 3237 21 April 3237 22 April 3237 23 April 3237 24 April 3237 25 April 3237 26 April 3237 27 April 3237 28 April 3237 29 April 3237 30 April 3237 1 May 3237 2 May 3237 3 May 3237
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