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 -207→
SolPhoDeiTerVenJovSat
123456
78910111213
14151617181920
21222324252627
28
1 Cygnus -207 2 Cygnus -207 3 Cygnus -207 4 Cygnus -207 5 Cygnus -207 6 Cygnus -207 7 Cygnus -207 8 Cygnus -207 9 Cygnus -207 10 Cygnus -207 11 Cygnus -207 12 Cygnus -207 13 Cygnus -207 14 Cygnus -207 15 Cygnus -207 16 Cygnus -207 17 Cygnus -207 18 Cygnus -207 19 Cygnus -207 20 Cygnus -207 21 Cygnus -207 22 Cygnus -207 23 Cygnus -207 24 Cygnus -207 25 Cygnus -207 26 Cygnus -207 27 Cygnus -207 28 Cygnus -207 1 Lepus -206 15 May 1222 16 May 1222 17 May 1222 18 May 1222 19 May 1222 20 May 1222 21 May 1222 22 May 1222 23 May 1222 24 May 1222 25 May 1222 26 May 1222 27 May 1222 28 May 1222 29 May 1222 30 May 1222 31 May 1222 1 June 1222 2 June 1222 3 June 1222 4 June 1222 5 June 1222 6 June 1222 7 June 1222 8 June 1222 9 June 1222 10 June 1222 11 June 1222 12 June 1222 13 June 1222
MS -285506 MS -285507 MS -285508 MS -285509 MS -285510 MS -285511 MS -285512 MS -285513 MS -285514 MS -285515 MS -285516 MS -285517 MS -285518 MS -285519 MS -285520 MS -285521 MS -285522 MS -285523 MS -285524 MS -285525 MS -285526 MS -285527 MS -285528 MS -285529 MS -285530 MS -285531 MS -285532 MS -285533 MS -285478 MD -293447 MD -293446 MD -293445 MD -293444 MD -293443 MD -293442 MD -293441 MD -293440 MD -293439 MD -293438 MD -293437 MD -293436 MD -293435 MD -293434 MD -293433 MD -293432 MD -293431 MD -293430 MD -293429 MD -293428 MD -293427 MD -293426 MD -293425 MD -293424 MD -293423 MD -293422 MD -293421 MD -293420 MD -293419 MD -293418