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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MS 367679 MS 367680 MS 367681 MS 367682 MS 367683 MS 367684 MS 367685 MS 367686 MS 367687 MS 367688 MS 367689 MS 367690 MS 367691 MS 367692 MS 367693 MS 367694 MS 367695 MS 367696 MS 367697 MS 367698 MS 367699 MS 367700 MS 367701 MS 367702 MS 367703 MS 367704 MS 367705 MS 367706 MS 367707 MD 377882 MD 377883 MD 377884 MD 377885 MD 377886 MD 377887 MD 377888 MD 377889 MD 377890 MD 377891 MD 377892 MD 377893 MD 377894 MD 377895 MD 377896 MD 377897 MD 377898 MD 377899 MD 377900 MD 377901 MD 377902 MD 377903 MD 377904 MD 377905 MD 377906 MD 377907 MD 377908 MD 377909 MD 377910 MD 377911