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 -313→
SolPhoDeiTerVenJovSat
123456
78910111213
14151617181920
21222324252627
28
1 Cygnus -313 2 Cygnus -313 3 Cygnus -313 4 Cygnus -313 5 Cygnus -313 6 Cygnus -313 7 Cygnus -313 8 Cygnus -313 9 Cygnus -313 10 Cygnus -313 11 Cygnus -313 12 Cygnus -313 13 Cygnus -313 14 Cygnus -313 15 Cygnus -313 16 Cygnus -313 17 Cygnus -313 18 Cygnus -313 19 Cygnus -313 20 Cygnus -313 21 Cygnus -313 22 Cygnus -313 23 Cygnus -313 24 Cygnus -313 25 Cygnus -313 26 Cygnus -313 27 Cygnus -313 28 Cygnus -313 1 Lepus -312 11 December 1022 12 December 1022 13 December 1022 14 December 1022 15 December 1022 16 December 1022 17 December 1022 18 December 1022 19 December 1022 20 December 1022 21 December 1022 22 December 1022 23 December 1022 24 December 1022 25 December 1022 26 December 1022 27 December 1022 28 December 1022 29 December 1022 30 December 1022 31 December 1022 1 January 1023 2 January 1023 3 January 1023 4 January 1023 5 January 1023 6 January 1023 7 January 1023 8 January 1023
MS -356377 MS -356378 MS -356379 MS -356380 MS -356381 MS -356382 MS -356383 MS -356384 MS -356385 MS -356386 MS -356387 MS -356388 MS -356389 MS -356390 MS -356391 MS -356392 MS -356393 MS -356394 MS -356395 MS -356396 MS -356397 MS -356398 MS -356399 MS -356400 MS -356401 MS -356402 MS -356403 MS -356404 MS -356349 MD -366286 MD -366285 MD -366284 MD -366283 MD -366282 MD -366281 MD -366280 MD -366279 MD -366278 MD -366277 MD -366276 MD -366275 MD -366274 MD -366273 MD -366272 MD -366271 MD -366270 MD -366269 MD -366268 MD -366267 MD -366266 MD -366265 MD -366264 MD -366263 MD -366262 MD -366261 MD -366260 MD -366259 MD -366258