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 82 2 Cygnus 82 3 Cygnus 82 4 Cygnus 82 5 Cygnus 82 6 Cygnus 82 7 Cygnus 82 8 Cygnus 82 9 Cygnus 82 10 Cygnus 82 11 Cygnus 82 12 Cygnus 82 13 Cygnus 82 14 Cygnus 82 15 Cygnus 82 16 Cygnus 82 17 Cygnus 82 18 Cygnus 82 19 Cygnus 82 20 Cygnus 82 21 Cygnus 82 22 Cygnus 82 23 Cygnus 82 24 Cygnus 82 25 Cygnus 82 26 Cygnus 82 27 Cygnus 82 28 Cygnus 82 1 Delphinus 82 6 January 1766 7 January 1766 8 January 1766 9 January 1766 10 January 1766 11 January 1766 12 January 1766 13 January 1766 14 January 1766 15 January 1766 16 January 1766 17 January 1766 18 January 1766 19 January 1766 20 January 1766 21 January 1766 22 January 1766 23 January 1766 24 January 1766 25 January 1766 26 January 1766 27 January 1766 28 January 1766 29 January 1766 30 January 1766 31 January 1766 1 February 1766 2 February 1766 3 February 1766 4 February 1766
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