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 659→
SolPhoDeiTerVenJovSat
123
45678910
11121314151617
18192021222324
25262728
1 Cygnus 659 2 Cygnus 659 3 Cygnus 659 4 Cygnus 659 5 Cygnus 659 6 Cygnus 659 7 Cygnus 659 8 Cygnus 659 9 Cygnus 659 10 Cygnus 659 11 Cygnus 659 12 Cygnus 659 13 Cygnus 659 14 Cygnus 659 15 Cygnus 659 16 Cygnus 659 17 Cygnus 659 18 Cygnus 659 19 Cygnus 659 20 Cygnus 659 21 Cygnus 659 22 Cygnus 659 23 Cygnus 659 24 Cygnus 659 25 Cygnus 659 26 Cygnus 659 27 Cygnus 659 28 Cygnus 659 1 Delphinus 659 28 July 2851 29 July 2851 30 July 2851 31 July 2851 1 August 2851 2 August 2851 3 August 2851 4 August 2851 5 August 2851 6 August 2851 7 August 2851 8 August 2851 9 August 2851 10 August 2851 11 August 2851 12 August 2851 13 August 2851 14 August 2851 15 August 2851 16 August 2851 17 August 2851 18 August 2851 19 August 2851 20 August 2851 21 August 2851 22 August 2851 23 August 2851 24 August 2851 25 August 2851 26 August 2851
MS 293465 MS 293466 MS 293467 MS 293468 MS 293469 MS 293470 MS 293471 MS 293472 MS 293473 MS 293474 MS 293475 MS 293476 MS 293477 MS 293478 MS 293479 MS 293480 MS 293481 MS 293482 MS 293483 MS 293484 MS 293485 MS 293486 MS 293487 MS 293488 MS 293489 MS 293490 MS 293491 MS 293492 MS 293493 MD 301607 MD 301608 MD 301609 MD 301610 MD 301611 MD 301612 MD 301613 MD 301614 MD 301615 MD 301616 MD 301617 MD 301618 MD 301619 MD 301620 MD 301621 MD 301622 MD 301623 MD 301624 MD 301625 MD 301626 MD 301627 MD 301628 MD 301629 MD 301630 MD 301631 MD 301632 MD 301633 MD 301634 MD 301635 MD 301636