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 -486→
SolPhoDeiTerVenJovSat
123456
78910111213
14151617181920
21222324252627
28
1 Cygnus -486 2 Cygnus -486 3 Cygnus -486 4 Cygnus -486 5 Cygnus -486 6 Cygnus -486 7 Cygnus -486 8 Cygnus -486 9 Cygnus -486 10 Cygnus -486 11 Cygnus -486 12 Cygnus -486 13 Cygnus -486 14 Cygnus -486 15 Cygnus -486 16 Cygnus -486 17 Cygnus -486 18 Cygnus -486 19 Cygnus -486 20 Cygnus -486 21 Cygnus -486 22 Cygnus -486 23 Cygnus -486 24 Cygnus -486 25 Cygnus -486 26 Cygnus -486 27 Cygnus -486 28 Cygnus -486 1 Lepus -485 18 June 0697 19 June 0697 20 June 0697 21 June 0697 22 June 0697 23 June 0697 24 June 0697 25 June 0697 26 June 0697 27 June 0697 28 June 0697 29 June 0697 30 June 0697 1 July 0697 2 July 0697 3 July 0697 4 July 0697 5 July 0697 6 July 0697 7 July 0697 8 July 0697 9 July 0697 10 July 0697 11 July 0697 12 July 0697 13 July 0697 14 July 0697 15 July 0697 16 July 0697
MS -472043 MS -472044 MS -472045 MS -472046 MS -472047 MS -472048 MS -472049 MS -472050 MS -472051 MS -472052 MS -472053 MS -472054 MS -472055 MS -472056 MS -472057 MS -472058 MS -472059 MS -472060 MS -472061 MS -472062 MS -472063 MS -472064 MS -472065 MS -472066 MS -472067 MS -472068 MS -472069 MS -472070 MS -472015 MD -485165 MD -485164 MD -485163 MD -485162 MD -485161 MD -485160 MD -485159 MD -485158 MD -485157 MD -485156 MD -485155 MD -485154 MD -485153 MD -485152 MD -485151 MD -485150 MD -485149 MD -485148 MD -485147 MD -485146 MD -485145 MD -485144 MD -485143 MD -485142 MD -485141 MD -485140 MD -485139 MD -485138 MD -485137