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 -628→
SolPhoDeiTerVenJovSat
123456
78910111213
14151617181920
21222324252627
28
1 Cygnus -628 2 Cygnus -628 3 Cygnus -628 4 Cygnus -628 5 Cygnus -628 6 Cygnus -628 7 Cygnus -628 8 Cygnus -628 9 Cygnus -628 10 Cygnus -628 11 Cygnus -628 12 Cygnus -628 13 Cygnus -628 14 Cygnus -628 15 Cygnus -628 16 Cygnus -628 17 Cygnus -628 18 Cygnus -628 19 Cygnus -628 20 Cygnus -628 21 Cygnus -628 22 Cygnus -628 23 Cygnus -628 24 Cygnus -628 25 Cygnus -628 26 Cygnus -628 27 Cygnus -628 28 Cygnus -628 1 Lepus -627 21 April 0430 22 April 0430 23 April 0430 24 April 0430 25 April 0430 26 April 0430 27 April 0430 28 April 0430 29 April 0430 30 April 0430 1 May 0430 2 May 0430 3 May 0430 4 May 0430 5 May 0430 6 May 0430 7 May 0430 8 May 0430 9 May 0430 10 May 0430 11 May 0430 12 May 0430 13 May 0430 14 May 0430 15 May 0430 16 May 0430 17 May 0430 18 May 0430 19 May 0430 20 May 0430
MS -566983 MS -566984 MS -566985 MS -566986 MS -566987 MS -566988 MS -566989 MS -566990 MS -566991 MS -566992 MS -566993 MS -566994 MS -566995 MS -566996 MS -566997 MS -566998 MS -566999 MS -567000 MS -567001 MS -567002 MS -567003 MS -567004 MS -567005 MS -567006 MS -567007 MS -567008 MS -567009 MS -567010 MS -566955 MD -582743 MD -582742 MD -582741 MD -582740 MD -582739 MD -582738 MD -582737 MD -582736 MD -582735 MD -582734 MD -582733 MD -582732 MD -582731 MD -582730 MD -582729 MD -582728 MD -582727 MD -582726 MD -582725 MD -582724 MD -582723 MD -582722 MD -582721 MD -582720 MD -582719 MD -582718 MD -582717 MD -582716 MD -582715 MD -582714