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 -447→
SolPhoDeiTerVenJovSat
123456
78910111213
14151617181920
21222324252627
28
1 Cygnus -447 2 Cygnus -447 3 Cygnus -447 4 Cygnus -447 5 Cygnus -447 6 Cygnus -447 7 Cygnus -447 8 Cygnus -447 9 Cygnus -447 10 Cygnus -447 11 Cygnus -447 12 Cygnus -447 13 Cygnus -447 14 Cygnus -447 15 Cygnus -447 16 Cygnus -447 17 Cygnus -447 18 Cygnus -447 19 Cygnus -447 20 Cygnus -447 21 Cygnus -447 22 Cygnus -447 23 Cygnus -447 24 Cygnus -447 25 Cygnus -447 26 Cygnus -447 27 Cygnus -447 28 Cygnus -447 1 Lepus -446 1 November 0770 2 November 0770 3 November 0770 4 November 0770 5 November 0770 6 November 0770 7 November 0770 8 November 0770 9 November 0770 10 November 0770 11 November 0770 12 November 0770 13 November 0770 14 November 0770 15 November 0770 16 November 0770 17 November 0770 18 November 0770 19 November 0770 20 November 0770 21 November 0770 22 November 0770 23 November 0770 24 November 0770 25 November 0770 26 November 0770 27 November 0770 28 November 0770 29 November 0770 30 November 0770
MS -445969 MS -445970 MS -445971 MS -445972 MS -445973 MS -445974 MS -445975 MS -445976 MS -445977 MS -445978 MS -445979 MS -445980 MS -445981 MS -445982 MS -445983 MS -445984 MS -445985 MS -445986 MS -445987 MS -445988 MS -445989 MS -445990 MS -445991 MS -445992 MS -445993 MS -445994 MS -445995 MS -445996 MS -445941 MD -458367 MD -458366 MD -458365 MD -458364 MD -458363 MD -458362 MD -458361 MD -458360 MD -458359 MD -458358 MD -458357 MD -458356 MD -458355 MD -458354 MD -458353 MD -458352 MD -458351 MD -458350 MD -458349 MD -458348 MD -458347 MD -458346 MD -458345 MD -458344 MD -458343 MD -458342 MD -458341 MD -458340 MD -458339 MD -458338