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 737→
SolPhoDeiTerVenJovSat
123
45678910
11121314151617
18192021222324
25262728
1 Cygnus 737 2 Cygnus 737 3 Cygnus 737 4 Cygnus 737 5 Cygnus 737 6 Cygnus 737 7 Cygnus 737 8 Cygnus 737 9 Cygnus 737 10 Cygnus 737 11 Cygnus 737 12 Cygnus 737 13 Cygnus 737 14 Cygnus 737 15 Cygnus 737 16 Cygnus 737 17 Cygnus 737 18 Cygnus 737 19 Cygnus 737 20 Cygnus 737 21 Cygnus 737 22 Cygnus 737 23 Cygnus 737 24 Cygnus 737 25 Cygnus 737 26 Cygnus 737 27 Cygnus 737 28 Cygnus 737 1 Delphinus 737 26 April 2998 27 April 2998 28 April 2998 29 April 2998 30 April 2998 1 May 2998 2 May 2998 3 May 2998 4 May 2998 5 May 2998 6 May 2998 7 May 2998 8 May 2998 9 May 2998 10 May 2998 11 May 2998 12 May 2998 13 May 2998 14 May 2998 15 May 2998 16 May 2998 17 May 2998 18 May 2998 19 May 2998 20 May 2998 21 May 2998 22 May 2998 23 May 2998 24 May 2998 25 May 2998
MS 345615 MS 345616 MS 345617 MS 345618 MS 345619 MS 345620 MS 345621 MS 345622 MS 345623 MS 345624 MS 345625 MS 345626 MS 345627 MS 345628 MS 345629 MS 345630 MS 345631 MS 345632 MS 345633 MS 345634 MS 345635 MS 345636 MS 345637 MS 345638 MS 345639 MS 345640 MS 345641 MS 345642 MS 345643 MD 355205 MD 355206 MD 355207 MD 355208 MD 355209 MD 355210 MD 355211 MD 355212 MD 355213 MD 355214 MD 355215 MD 355216 MD 355217 MD 355218 MD 355219 MD 355220 MD 355221 MD 355222 MD 355223 MD 355224 MD 355225 MD 355226 MD 355227 MD 355228 MD 355229 MD 355230 MD 355231 MD 355232 MD 355233 MD 355234