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 -341→
SolPhoDeiTerVenJovSat
123456
78910111213
14151617181920
21222324252627
28
1 Cygnus -341 2 Cygnus -341 3 Cygnus -341 4 Cygnus -341 5 Cygnus -341 6 Cygnus -341 7 Cygnus -341 8 Cygnus -341 9 Cygnus -341 10 Cygnus -341 11 Cygnus -341 12 Cygnus -341 13 Cygnus -341 14 Cygnus -341 15 Cygnus -341 16 Cygnus -341 17 Cygnus -341 18 Cygnus -341 19 Cygnus -341 20 Cygnus -341 21 Cygnus -341 22 Cygnus -341 23 Cygnus -341 24 Cygnus -341 25 Cygnus -341 26 Cygnus -341 27 Cygnus -341 28 Cygnus -341 2 Lepus -340 6 April 0970 7 April 0970 8 April 0970 9 April 0970 10 April 0970 11 April 0970 12 April 0970 13 April 0970 14 April 0970 15 April 0970 16 April 0970 17 April 0970 18 April 0970 19 April 0970 20 April 0970 21 April 0970 22 April 0970 23 April 0970 24 April 0970 25 April 0970 26 April 0970 27 April 0970 28 April 0970 29 April 0970 30 April 0970 1 May 0970 2 May 0970 3 May 0970 4 May 0970
MS -375098 MS -375099 MS -375100 MS -375101 MS -375102 MS -375103 MS -375104 MS -375105 MS -375106 MS -375107 MS -375108 MS -375109 MS -375110 MS -375111 MS -375112 MS -375113 MS -375114 MS -375115 MS -375116 MS -375117 MS -375118 MS -375119 MS -375120 MS -375121 MS -375122 MS -375123 MS -375124 MS -375125 MS -375070 MD -385527 MD -385526 MD -385525 MD -385524 MD -385523 MD -385522 MD -385521 MD -385520 MD -385519 MD -385518 MD -385517 MD -385516 MD -385515 MD -385514 MD -385513 MD -385512 MD -385511 MD -385510 MD -385509 MD -385508 MD -385507 MD -385506 MD -385505 MD -385504 MD -385503 MD -385502 MD -385501 MD -385500 MD -385499