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 -405→
SolPhoDeiTerVenJovSat
123456
78910111213
14151617181920
21222324252627
28
1 Cygnus -405 2 Cygnus -405 3 Cygnus -405 4 Cygnus -405 5 Cygnus -405 6 Cygnus -405 7 Cygnus -405 8 Cygnus -405 9 Cygnus -405 10 Cygnus -405 11 Cygnus -405 12 Cygnus -405 13 Cygnus -405 14 Cygnus -405 15 Cygnus -405 16 Cygnus -405 17 Cygnus -405 18 Cygnus -405 19 Cygnus -405 20 Cygnus -405 21 Cygnus -405 22 Cygnus -405 23 Cygnus -405 24 Cygnus -405 25 Cygnus -405 26 Cygnus -405 27 Cygnus -405 28 Cygnus -405 1 Lepus -404 7 November 0849 8 November 0849 9 November 0849 10 November 0849 11 November 0849 12 November 0849 13 November 0849 14 November 0849 15 November 0849 16 November 0849 17 November 0849 18 November 0849 19 November 0849 20 November 0849 21 November 0849 22 November 0849 23 November 0849 24 November 0849 25 November 0849 26 November 0849 27 November 0849 28 November 0849 29 November 0849 30 November 0849 1 December 0849 2 December 0849 3 December 0849 4 December 0849 5 December 0849 6 December 0849
MS -417888 MS -417889 MS -417890 MS -417891 MS -417892 MS -417893 MS -417894 MS -417895 MS -417896 MS -417897 MS -417898 MS -417899 MS -417900 MS -417901 MS -417902 MS -417903 MS -417904 MS -417905 MS -417906 MS -417907 MS -417908 MS -417909 MS -417910 MS -417911 MS -417912 MS -417913 MS -417914 MS -417915 MS -417860 MD -429506 MD -429505 MD -429504 MD -429503 MD -429502 MD -429501 MD -429500 MD -429499 MD -429498 MD -429497 MD -429496 MD -429495 MD -429494 MD -429493 MD -429492 MD -429491 MD -429490 MD -429489 MD -429488 MD -429487 MD -429486 MD -429485 MD -429484 MD -429483 MD -429482 MD -429481 MD -429480 MD -429479 MD -429478 MD -429477