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 -230→
SolPhoDeiTerVenJovSat
123456
78910111213
14151617181920
21222324252627
28
1 Cygnus -230 2 Cygnus -230 3 Cygnus -230 4 Cygnus -230 5 Cygnus -230 6 Cygnus -230 7 Cygnus -230 8 Cygnus -230 9 Cygnus -230 10 Cygnus -230 11 Cygnus -230 12 Cygnus -230 13 Cygnus -230 14 Cygnus -230 15 Cygnus -230 16 Cygnus -230 17 Cygnus -230 18 Cygnus -230 19 Cygnus -230 20 Cygnus -230 21 Cygnus -230 22 Cygnus -230 23 Cygnus -230 24 Cygnus -230 25 Cygnus -230 26 Cygnus -230 27 Cygnus -230 28 Cygnus -230 2 Lepus -229 5 February 1179 6 February 1179 7 February 1179 8 February 1179 9 February 1179 10 February 1179 11 February 1179 12 February 1179 13 February 1179 14 February 1179 15 February 1179 16 February 1179 17 February 1179 18 February 1179 19 February 1179 20 February 1179 21 February 1179 22 February 1179 23 February 1179 24 February 1179 25 February 1179 26 February 1179 27 February 1179 28 February 1179 1 March 1179 2 March 1179 3 March 1179 4 March 1179 5 March 1179 6 March 1179
MS -300884 MS -300885 MS -300886 MS -300887 MS -300888 MS -300889 MS -300890 MS -300891 MS -300892 MS -300893 MS -300894 MS -300895 MS -300896 MS -300897 MS -300898 MS -300899 MS -300900 MS -300901 MS -300902 MS -300903 MS -300904 MS -300905 MS -300906 MS -300907 MS -300908 MS -300909 MS -300910 MS -300911 MS -300856 MD -309252 MD -309251 MD -309250 MD -309249 MD -309248 MD -309247 MD -309246 MD -309245 MD -309244 MD -309243 MD -309242 MD -309241 MD -309240 MD -309239 MD -309238 MD -309237 MD -309236 MD -309235 MD -309234 MD -309233 MD -309232 MD -309231 MD -309230 MD -309229 MD -309228 MD -309227 MD -309226 MD -309225 MD -309224 MD -309223