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 -673→
SolPhoDeiTerVenJovSat
123456
78910111213
14151617181920
21222324252627
28
1 Cygnus -673 2 Cygnus -673 3 Cygnus -673 4 Cygnus -673 5 Cygnus -673 6 Cygnus -673 7 Cygnus -673 8 Cygnus -673 9 Cygnus -673 10 Cygnus -673 11 Cygnus -673 12 Cygnus -673 13 Cygnus -673 14 Cygnus -673 15 Cygnus -673 16 Cygnus -673 17 Cygnus -673 18 Cygnus -673 19 Cygnus -673 20 Cygnus -673 21 Cygnus -673 22 Cygnus -673 23 Cygnus -673 24 Cygnus -673 25 Cygnus -673 26 Cygnus -673 27 Cygnus -673 28 Cygnus -673 1 Lepus -672 22 August 0345 23 August 0345 24 August 0345 25 August 0345 26 August 0345 27 August 0345 28 August 0345 29 August 0345 30 August 0345 31 August 0345 1 September 0345 2 September 0345 3 September 0345 4 September 0345 5 September 0345 6 September 0345 7 September 0345 8 September 0345 9 September 0345 10 September 0345 11 September 0345 12 September 0345 13 September 0345 14 September 0345 15 September 0345 16 September 0345 17 September 0345 18 September 0345 19 September 0345
MS -597071 MS -597072 MS -597073 MS -597074 MS -597075 MS -597076 MS -597077 MS -597078 MS -597079 MS -597080 MS -597081 MS -597082 MS -597083 MS -597084 MS -597085 MS -597086 MS -597087 MS -597088 MS -597089 MS -597090 MS -597091 MS -597092 MS -597093 MS -597094 MS -597095 MS -597096 MS -597097 MS -597098 MS -597043 MD -613666 MD -613665 MD -613664 MD -613663 MD -613662 MD -613661 MD -613660 MD -613659 MD -613658 MD -613657 MD -613656 MD -613655 MD -613654 MD -613653 MD -613652 MD -613651 MD -613650 MD -613649 MD -613648 MD -613647 MD -613646 MD -613645 MD -613644 MD -613643 MD -613642 MD -613641 MD -613640 MD -613639 MD -613638