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.
←Cygnus 837→
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1 Cygnus 837 2 Cygnus 837 3 Cygnus 837 4 Cygnus 837 5 Cygnus 837 6 Cygnus 837 7 Cygnus 837 8 Cygnus 837 9 Cygnus 837 10 Cygnus 837 11 Cygnus 837 12 Cygnus 837 13 Cygnus 837 14 Cygnus 837 15 Cygnus 837 16 Cygnus 837 17 Cygnus 837 18 Cygnus 837 19 Cygnus 837 20 Cygnus 837 21 Cygnus 837 22 Cygnus 837 23 Cygnus 837 24 Cygnus 837 25 Cygnus 837 26 Cygnus 837 27 Cygnus 837 28 Cygnus 837 1 Delphinus 837 17 June 3186 18 June 3186 19 June 3186 20 June 3186 21 June 3186 22 June 3186 23 June 3186 24 June 3186 25 June 3186 26 June 3186 27 June 3186 28 June 3186 29 June 3186 30 June 3186 1 July 3186 2 July 3186 3 July 3186 4 July 3186 5 July 3186 6 July 3186 7 July 3186 8 July 3186 9 July 3186 10 July 3186 11 July 3186 12 July 3186 13 July 3186 14 July 3186 15 July 3186
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