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 -194→
SolPhoDeiTerVenJovSat
123456
78910111213
14151617181920
21222324252627
28
1 Cygnus -194 2 Cygnus -194 3 Cygnus -194 4 Cygnus -194 5 Cygnus -194 6 Cygnus -194 7 Cygnus -194 8 Cygnus -194 9 Cygnus -194 10 Cygnus -194 11 Cygnus -194 12 Cygnus -194 13 Cygnus -194 14 Cygnus -194 15 Cygnus -194 16 Cygnus -194 17 Cygnus -194 18 Cygnus -194 19 Cygnus -194 20 Cygnus -194 21 Cygnus -194 22 Cygnus -194 23 Cygnus -194 24 Cygnus -194 25 Cygnus -194 26 Cygnus -194 27 Cygnus -194 28 Cygnus -194 1 Lepus -193 30 October 1246 31 October 1246 1 November 1246 2 November 1246 3 November 1246 4 November 1246 5 November 1246 6 November 1246 7 November 1246 8 November 1246 9 November 1246 10 November 1246 11 November 1246 12 November 1246 13 November 1246 14 November 1246 15 November 1246 16 November 1246 17 November 1246 18 November 1246 19 November 1246 20 November 1246 21 November 1246 22 November 1246 23 November 1246 24 November 1246 25 November 1246 26 November 1246 27 November 1246 28 November 1246
MS -276814 MS -276815 MS -276816 MS -276817 MS -276818 MS -276819 MS -276820 MS -276821 MS -276822 MS -276823 MS -276824 MS -276825 MS -276826 MS -276827 MS -276828 MS -276829 MS -276830 MS -276831 MS -276832 MS -276833 MS -276834 MS -276835 MS -276836 MS -276837 MS -276838 MS -276839 MS -276840 MS -276841 MS -276786 MD -284513 MD -284512 MD -284511 MD -284510 MD -284509 MD -284508 MD -284507 MD -284506 MD -284505 MD -284504 MD -284503 MD -284502 MD -284501 MD -284500 MD -284499 MD -284498 MD -284497 MD -284496 MD -284495 MD -284494 MD -284493 MD -284492 MD -284491 MD -284490 MD -284489 MD -284488 MD -284487 MD -284486 MD -284485 MD -284484