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 811→
SolPhoDeiTerVenJovSat
123
45678910
11121314151617
18192021222324
25262728
1 Cygnus 811 2 Cygnus 811 3 Cygnus 811 4 Cygnus 811 5 Cygnus 811 6 Cygnus 811 7 Cygnus 811 8 Cygnus 811 9 Cygnus 811 10 Cygnus 811 11 Cygnus 811 12 Cygnus 811 13 Cygnus 811 14 Cygnus 811 15 Cygnus 811 16 Cygnus 811 17 Cygnus 811 18 Cygnus 811 19 Cygnus 811 20 Cygnus 811 21 Cygnus 811 22 Cygnus 811 23 Cygnus 811 24 Cygnus 811 25 Cygnus 811 26 Cygnus 811 27 Cygnus 811 28 Cygnus 811 1 Delphinus 811 18 July 3137 19 July 3137 20 July 3137 21 July 3137 22 July 3137 23 July 3137 24 July 3137 25 July 3137 26 July 3137 27 July 3137 28 July 3137 29 July 3137 30 July 3137 31 July 3137 1 August 3137 2 August 3137 3 August 3137 4 August 3137 5 August 3137 6 August 3137 7 August 3137 8 August 3137 9 August 3137 10 August 3137 11 August 3137 12 August 3137 13 August 3137 14 August 3137 15 August 3137 16 August 3137
MS 395091 MS 395092 MS 395093 MS 395094 MS 395095 MS 395096 MS 395097 MS 395098 MS 395099 MS 395100 MS 395101 MS 395102 MS 395103 MS 395104 MS 395105 MS 395106 MS 395107 MS 395108 MS 395109 MS 395110 MS 395111 MS 395112 MS 395113 MS 395114 MS 395115 MS 395116 MS 395117 MS 395118 MS 395119 MD 406056 MD 406057 MD 406058 MD 406059 MD 406060 MD 406061 MD 406062 MD 406063 MD 406064 MD 406065 MD 406066 MD 406067 MD 406068 MD 406069 MD 406070 MD 406071 MD 406072 MD 406073 MD 406074 MD 406075 MD 406076 MD 406077 MD 406078 MD 406079 MD 406080 MD 406081 MD 406082 MD 406083 MD 406084 MD 406085