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 -12→
SolPhoDeiTerVenJovSat
123456
78910111213
14151617181920
21222324252627
28
1 Cygnus -12 2 Cygnus -12 3 Cygnus -12 4 Cygnus -12 5 Cygnus -12 6 Cygnus -12 7 Cygnus -12 8 Cygnus -12 9 Cygnus -12 10 Cygnus -12 11 Cygnus -12 12 Cygnus -12 13 Cygnus -12 14 Cygnus -12 15 Cygnus -12 16 Cygnus -12 17 Cygnus -12 18 Cygnus -12 19 Cygnus -12 20 Cygnus -12 21 Cygnus -12 22 Cygnus -12 23 Cygnus -12 24 Cygnus -12 25 Cygnus -12 26 Cygnus -12 27 Cygnus -12 28 Cygnus -12 1 Lepus -11 30 March 1589 31 March 1589 1 April 1589 2 April 1589 3 April 1589 4 April 1589 5 April 1589 6 April 1589 7 April 1589 8 April 1589 9 April 1589 10 April 1589 11 April 1589 12 April 1589 13 April 1589 14 April 1589 15 April 1589 16 April 1589 17 April 1589 18 April 1589 19 April 1589 20 April 1589 21 April 1589 22 April 1589 23 April 1589 24 April 1589 25 April 1589 26 April 1589 27 April 1589 28 April 1589
MS -155130 MS -155131 MS -155132 MS -155133 MS -155134 MS -155135 MS -155136 MS -155137 MS -155138 MS -155139 MS -155140 MS -155141 MS -155142 MS -155143 MS -155144 MS -155145 MS -155146 MS -155147 MS -155148 MS -155149 MS -155150 MS -155151 MS -155152 MS -155153 MS -155154 MS -155155 MS -155156 MS -155157 MS -155102 MD -159449 MD -159448 MD -159447 MD -159446 MD -159445 MD -159444 MD -159443 MD -159442 MD -159441 MD -159440 MD -159439 MD -159438 MD -159437 MD -159436 MD -159435 MD -159434 MD -159433 MD -159432 MD -159431 MD -159430 MD -159429 MD -159428 MD -159427 MD -159426 MD -159425 MD -159424 MD -159423 MD -159422 MD -159421 MD -159420