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 791→
SolPhoDeiTerVenJovSat
1234
567891011
12131415161718
19202122232425
262728
1 Cygnus 791 2 Cygnus 791 3 Cygnus 791 4 Cygnus 791 5 Cygnus 791 6 Cygnus 791 7 Cygnus 791 8 Cygnus 791 9 Cygnus 791 10 Cygnus 791 11 Cygnus 791 12 Cygnus 791 13 Cygnus 791 14 Cygnus 791 15 Cygnus 791 16 Cygnus 791 17 Cygnus 791 18 Cygnus 791 19 Cygnus 791 20 Cygnus 791 21 Cygnus 791 22 Cygnus 791 23 Cygnus 791 24 Cygnus 791 25 Cygnus 791 26 Cygnus 791 27 Cygnus 791 28 Cygnus 791 1 Delphinus 791 1 December 3099 2 December 3099 3 December 3099 4 December 3099 5 December 3099 6 December 3099 7 December 3099 8 December 3099 9 December 3099 10 December 3099 11 December 3099 12 December 3099 13 December 3099 14 December 3099 15 December 3099 16 December 3099 17 December 3099 18 December 3099 19 December 3099 20 December 3099 21 December 3099 22 December 3099 23 December 3099 24 December 3099 25 December 3099 26 December 3099 27 December 3099 28 December 3099 29 December 3099 30 December 3099
MS 381720 MS 381721 MS 381722 MS 381723 MS 381724 MS 381725 MS 381726 MS 381727 MS 381728 MS 381729 MS 381730 MS 381731 MS 381732 MS 381733 MS 381734 MS 381735 MS 381736 MS 381737 MS 381738 MS 381739 MS 381740 MS 381741 MS 381742 MS 381743 MS 381744 MS 381745 MS 381746 MS 381747 MS 381748 MD 392313 MD 392314 MD 392315 MD 392316 MD 392317 MD 392318 MD 392319 MD 392320 MD 392321 MD 392322 MD 392323 MD 392324 MD 392325 MD 392326 MD 392327 MD 392328 MD 392329 MD 392330 MD 392331 MD 392332 MD 392333 MD 392334 MD 392335 MD 392336 MD 392337 MD 392338 MD 392339 MD 392340 MD 392341 MD 392342