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 972→
SolPhoDeiTerVenJovSat
12345
6789101112
13141516171819
20212223242526
2728
1 Cygnus 972 2 Cygnus 972 3 Cygnus 972 4 Cygnus 972 5 Cygnus 972 6 Cygnus 972 7 Cygnus 972 8 Cygnus 972 9 Cygnus 972 10 Cygnus 972 11 Cygnus 972 12 Cygnus 972 13 Cygnus 972 14 Cygnus 972 15 Cygnus 972 16 Cygnus 972 17 Cygnus 972 18 Cygnus 972 19 Cygnus 972 20 Cygnus 972 21 Cygnus 972 22 Cygnus 972 23 Cygnus 972 24 Cygnus 972 25 Cygnus 972 26 Cygnus 972 27 Cygnus 972 28 Cygnus 972 1 Delphinus 972 13 June 3440 14 June 3440 15 June 3440 16 June 3440 17 June 3440 18 June 3440 19 June 3440 20 June 3440 21 June 3440 22 June 3440 23 June 3440 24 June 3440 25 June 3440 26 June 3440 27 June 3440 28 June 3440 29 June 3440 30 June 3440 1 July 3440 2 July 3440 3 July 3440 4 July 3440 5 July 3440 6 July 3440 7 July 3440 8 July 3440 9 July 3440 10 July 3440 11 July 3440 12 July 3440
MS 502735 MS 502736 MS 502737 MS 502738 MS 502739 MS 502740 MS 502741 MS 502742 MS 502743 MS 502744 MS 502745 MS 502746 MS 502747 MS 502748 MS 502749 MS 502750 MS 502751 MS 502752 MS 502753 MS 502754 MS 502755 MS 502756 MS 502757 MS 502758 MS 502759 MS 502760 MS 502761 MS 502762 MS 502763 MD 516690 MD 516691 MD 516692 MD 516693 MD 516694 MD 516695 MD 516696 MD 516697 MD 516698 MD 516699 MD 516700 MD 516701 MD 516702 MD 516703 MD 516704 MD 516705 MD 516706 MD 516707 MD 516708 MD 516709 MD 516710 MD 516711 MD 516712 MD 516713 MD 516714 MD 516715 MD 516716 MD 516717 MD 516718 MD 516719