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 -351→
SolPhoDeiTerVenJovSat
123456
78910111213
14151617181920
21222324252627
28
1 Cygnus -351 2 Cygnus -351 3 Cygnus -351 4 Cygnus -351 5 Cygnus -351 6 Cygnus -351 7 Cygnus -351 8 Cygnus -351 9 Cygnus -351 10 Cygnus -351 11 Cygnus -351 12 Cygnus -351 13 Cygnus -351 14 Cygnus -351 15 Cygnus -351 16 Cygnus -351 17 Cygnus -351 18 Cygnus -351 19 Cygnus -351 20 Cygnus -351 21 Cygnus -351 22 Cygnus -351 23 Cygnus -351 24 Cygnus -351 25 Cygnus -351 26 Cygnus -351 27 Cygnus -351 28 Cygnus -351 2 Lepus -350 13 June 0951 14 June 0951 15 June 0951 16 June 0951 17 June 0951 18 June 0951 19 June 0951 20 June 0951 21 June 0951 22 June 0951 23 June 0951 24 June 0951 25 June 0951 26 June 0951 27 June 0951 28 June 0951 29 June 0951 30 June 0951 1 July 0951 2 July 0951 3 July 0951 4 July 0951 5 July 0951 6 July 0951 7 July 0951 8 July 0951 9 July 0951 10 July 0951 11 July 0951 12 July 0951
MS -381784 MS -381785 MS -381786 MS -381787 MS -381788 MS -381789 MS -381790 MS -381791 MS -381792 MS -381793 MS -381794 MS -381795 MS -381796 MS -381797 MS -381798 MS -381799 MS -381800 MS -381801 MS -381802 MS -381803 MS -381804 MS -381805 MS -381806 MS -381807 MS -381808 MS -381809 MS -381810 MS -381811 MS -381756 MD -392399 MD -392398 MD -392397 MD -392396 MD -392395 MD -392394 MD -392393 MD -392392 MD -392391 MD -392390 MD -392389 MD -392388 MD -392387 MD -392386 MD -392385 MD -392384 MD -392383 MD -392382 MD -392381 MD -392380 MD -392379 MD -392378 MD -392377 MD -392376 MD -392375 MD -392374 MD -392373 MD -392372 MD -392371 MD -392370