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.
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MS 297477 MS 297478 MS 297479 MS 297480 MS 297481 MS 297482 MS 297483 MS 297484 MS 297485 MS 297486 MS 297487 MS 297488 MS 297489 MS 297490 MS 297491 MS 297492 MS 297493 MS 297494 MS 297495 MS 297496 MS 297497 MS 297498 MS 297499 MS 297500 MS 297501 MS 297502 MS 297503 MS 297504 MS 297505 MD 305730 MD 305731 MD 305732 MD 305733 MD 305734 MD 305735 MD 305736 MD 305737 MD 305738 MD 305739 MD 305740 MD 305741 MD 305742 MD 305743 MD 305744 MD 305745 MD 305746 MD 305747 MD 305748 MD 305749 MD 305750 MD 305751 MD 305752 MD 305753 MD 305754 MD 305755 MD 305756 MD 305757 MD 305758 MD 305759