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 -302→
SolPhoDeiTerVenJovSat
123456
78910111213
14151617181920
21222324252627
28
1 Cygnus -302 2 Cygnus -302 3 Cygnus -302 4 Cygnus -302 5 Cygnus -302 6 Cygnus -302 7 Cygnus -302 8 Cygnus -302 9 Cygnus -302 10 Cygnus -302 11 Cygnus -302 12 Cygnus -302 13 Cygnus -302 14 Cygnus -302 15 Cygnus -302 16 Cygnus -302 17 Cygnus -302 18 Cygnus -302 19 Cygnus -302 20 Cygnus -302 21 Cygnus -302 22 Cygnus -302 23 Cygnus -302 24 Cygnus -302 25 Cygnus -302 26 Cygnus -302 27 Cygnus -302 28 Cygnus -302 1 Lepus -301 22 August 1043 23 August 1043 24 August 1043 25 August 1043 26 August 1043 27 August 1043 28 August 1043 29 August 1043 30 August 1043 31 August 1043 1 September 1043 2 September 1043 3 September 1043 4 September 1043 5 September 1043 6 September 1043 7 September 1043 8 September 1043 9 September 1043 10 September 1043 11 September 1043 12 September 1043 13 September 1043 14 September 1043 15 September 1043 16 September 1043 17 September 1043 18 September 1043 19 September 1043 20 September 1043
MS -349022 MS -349023 MS -349024 MS -349025 MS -349026 MS -349027 MS -349028 MS -349029 MS -349030 MS -349031 MS -349032 MS -349033 MS -349034 MS -349035 MS -349036 MS -349037 MS -349038 MS -349039 MS -349040 MS -349041 MS -349042 MS -349043 MS -349044 MS -349045 MS -349046 MS -349047 MS -349048 MS -349049 MS -348994 MD -358727 MD -358726 MD -358725 MD -358724 MD -358723 MD -358722 MD -358721 MD -358720 MD -358719 MD -358718 MD -358717 MD -358716 MD -358715 MD -358714 MD -358713 MD -358712 MD -358711 MD -358710 MD -358709 MD -358708 MD -358707 MD -358706 MD -358705 MD -358704 MD -358703 MD -358702 MD -358701 MD -358700 MD -358699 MD -358698