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 -401→
SolPhoDeiTerVenJovSat
123456
78910111213
14151617181920
21222324252627
28
1 Cygnus -401 2 Cygnus -401 3 Cygnus -401 4 Cygnus -401 5 Cygnus -401 6 Cygnus -401 7 Cygnus -401 8 Cygnus -401 9 Cygnus -401 10 Cygnus -401 11 Cygnus -401 12 Cygnus -401 13 Cygnus -401 14 Cygnus -401 15 Cygnus -401 16 Cygnus -401 17 Cygnus -401 18 Cygnus -401 19 Cygnus -401 20 Cygnus -401 21 Cygnus -401 22 Cygnus -401 23 Cygnus -401 24 Cygnus -401 25 Cygnus -401 26 Cygnus -401 27 Cygnus -401 28 Cygnus -401 2 Lepus -400 17 May 0857 18 May 0857 19 May 0857 20 May 0857 21 May 0857 22 May 0857 23 May 0857 24 May 0857 25 May 0857 26 May 0857 27 May 0857 28 May 0857 29 May 0857 30 May 0857 31 May 0857 1 June 0857 2 June 0857 3 June 0857 4 June 0857 5 June 0857 6 June 0857 7 June 0857 8 June 0857 9 June 0857 10 June 0857 11 June 0857 12 June 0857 13 June 0857 14 June 0857 15 June 0857
MS -415214 MS -415215 MS -415216 MS -415217 MS -415218 MS -415219 MS -415220 MS -415221 MS -415222 MS -415223 MS -415224 MS -415225 MS -415226 MS -415227 MS -415228 MS -415229 MS -415230 MS -415231 MS -415232 MS -415233 MS -415234 MS -415235 MS -415236 MS -415237 MS -415238 MS -415239 MS -415240 MS -415241 MS -415186 MD -426758 MD -426757 MD -426756 MD -426755 MD -426754 MD -426753 MD -426752 MD -426751 MD -426750 MD -426749 MD -426748 MD -426747 MD -426746 MD -426745 MD -426744 MD -426743 MD -426742 MD -426741 MD -426740 MD -426739 MD -426738 MD -426737 MD -426736 MD -426735 MD -426734 MD -426733 MD -426732 MD -426731 MD -426730 MD -426729