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 -445→
SolPhoDeiTerVenJovSat
123456
78910111213
14151617181920
21222324252627
28
1 Cygnus -445 2 Cygnus -445 3 Cygnus -445 4 Cygnus -445 5 Cygnus -445 6 Cygnus -445 7 Cygnus -445 8 Cygnus -445 9 Cygnus -445 10 Cygnus -445 11 Cygnus -445 12 Cygnus -445 13 Cygnus -445 14 Cygnus -445 15 Cygnus -445 16 Cygnus -445 17 Cygnus -445 18 Cygnus -445 19 Cygnus -445 20 Cygnus -445 21 Cygnus -445 22 Cygnus -445 23 Cygnus -445 24 Cygnus -445 25 Cygnus -445 26 Cygnus -445 27 Cygnus -445 28 Cygnus -445 1 Lepus -444 6 August 0774 7 August 0774 8 August 0774 9 August 0774 10 August 0774 11 August 0774 12 August 0774 13 August 0774 14 August 0774 15 August 0774 16 August 0774 17 August 0774 18 August 0774 19 August 0774 20 August 0774 21 August 0774 22 August 0774 23 August 0774 24 August 0774 25 August 0774 26 August 0774 27 August 0774 28 August 0774 29 August 0774 30 August 0774 31 August 0774 1 September 0774 2 September 0774 3 September 0774 4 September 0774
MS -444632 MS -444633 MS -444634 MS -444635 MS -444636 MS -444637 MS -444638 MS -444639 MS -444640 MS -444641 MS -444642 MS -444643 MS -444644 MS -444645 MS -444646 MS -444647 MS -444648 MS -444649 MS -444650 MS -444651 MS -444652 MS -444653 MS -444654 MS -444655 MS -444656 MS -444657 MS -444658 MS -444659 MS -444604 MD -456993 MD -456992 MD -456991 MD -456990 MD -456989 MD -456988 MD -456987 MD -456986 MD -456985 MD -456984 MD -456983 MD -456982 MD -456981 MD -456980 MD -456979 MD -456978 MD -456977 MD -456976 MD -456975 MD -456974 MD -456973 MD -456972 MD -456971 MD -456970 MD -456969 MD -456968 MD -456967 MD -456966 MD -456965 MD -456964