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 -513→
SolPhoDeiTerVenJovSat
123456
78910111213
14151617181920
21222324252627
28
1 Cygnus -513 2 Cygnus -513 3 Cygnus -513 4 Cygnus -513 5 Cygnus -513 6 Cygnus -513 7 Cygnus -513 8 Cygnus -513 9 Cygnus -513 10 Cygnus -513 11 Cygnus -513 12 Cygnus -513 13 Cygnus -513 14 Cygnus -513 15 Cygnus -513 16 Cygnus -513 17 Cygnus -513 18 Cygnus -513 19 Cygnus -513 20 Cygnus -513 21 Cygnus -513 22 Cygnus -513 23 Cygnus -513 24 Cygnus -513 25 Cygnus -513 26 Cygnus -513 27 Cygnus -513 28 Cygnus -513 1 Lepus -512 30 August 0646 31 August 0646 1 September 0646 2 September 0646 3 September 0646 4 September 0646 5 September 0646 6 September 0646 7 September 0646 8 September 0646 9 September 0646 10 September 0646 11 September 0646 12 September 0646 13 September 0646 14 September 0646 15 September 0646 16 September 0646 17 September 0646 18 September 0646 19 September 0646 20 September 0646 21 September 0646 22 September 0646 23 September 0646 24 September 0646 25 September 0646 26 September 0646 27 September 0646 28 September 0646
MS -490096 MS -490097 MS -490098 MS -490099 MS -490100 MS -490101 MS -490102 MS -490103 MS -490104 MS -490105 MS -490106 MS -490107 MS -490108 MS -490109 MS -490110 MS -490111 MS -490112 MS -490113 MS -490114 MS -490115 MS -490116 MS -490117 MS -490118 MS -490119 MS -490120 MS -490121 MS -490122 MS -490123 MS -490068 MD -503720 MD -503719 MD -503718 MD -503717 MD -503716 MD -503715 MD -503714 MD -503713 MD -503712 MD -503711 MD -503710 MD -503709 MD -503708 MD -503707 MD -503706 MD -503705 MD -503704 MD -503703 MD -503702 MD -503701 MD -503700 MD -503699 MD -503698 MD -503697 MD -503696 MD -503695 MD -503694 MD -503693 MD -503692 MD -503691