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 780199 MS 780200 MS 780201 MS 780202 MS 780203 MS 780204 MS 780205 MS 780206 MS 780207 MS 780208 MS 780209 MS 780210 MS 780211 MS 780212 MS 780213 MS 780214 MS 780215 MS 780216 MS 780217 MS 780218 MS 780219 MS 780220 MS 780221 MS 780222 MS 780223 MS 780224 MS 780225 MS 780226 MS 780227 MD 801861 MD 801862 MD 801863 MD 801864 MD 801865 MD 801866 MD 801867 MD 801868 MD 801869 MD 801870 MD 801871 MD 801872 MD 801873 MD 801874 MD 801875 MD 801876 MD 801877 MD 801878 MD 801879 MD 801880 MD 801881 MD 801882 MD 801883 MD 801884 MD 801885 MD 801886 MD 801887 MD 801888 MD 801889 MD 801890