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 1207 2 Cygnus 1207 3 Cygnus 1207 4 Cygnus 1207 5 Cygnus 1207 6 Cygnus 1207 7 Cygnus 1207 8 Cygnus 1207 9 Cygnus 1207 10 Cygnus 1207 11 Cygnus 1207 12 Cygnus 1207 13 Cygnus 1207 14 Cygnus 1207 15 Cygnus 1207 16 Cygnus 1207 17 Cygnus 1207 18 Cygnus 1207 19 Cygnus 1207 20 Cygnus 1207 21 Cygnus 1207 22 Cygnus 1207 23 Cygnus 1207 24 Cygnus 1207 25 Cygnus 1207 26 Cygnus 1207 27 Cygnus 1207 28 Cygnus 1207 1 Delphinus 1207 27 July 3882 28 July 3882 29 July 3882 30 July 3882 31 July 3882 1 August 3882 2 August 3882 3 August 3882 4 August 3882 5 August 3882 6 August 3882 7 August 3882 8 August 3882 9 August 3882 10 August 3882 11 August 3882 12 August 3882 13 August 3882 14 August 3882 15 August 3882 16 August 3882 17 August 3882 18 August 3882 19 August 3882 20 August 3882 21 August 3882 22 August 3882 23 August 3882 24 August 3882 25 August 3882
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