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Cygnus

The Swan

Constellation of the northern sky

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GenitiveCygni
AbbreviationCyg
Constellation FamilyHercules
Celestial QuadrantNQ4
Right Ascension19h09 to 22h04
Declination+27.8° to +61.4°
Area (sq deg)804
Brightest StarDeneb
Optimum VisibilityAugust
NotesA prominent constellation during summer in the northern hemisphere, Cygnus represents a Swan flying along the length of the Milky Way. In the centre of this region is a dark cloud of obscuring matter, the Cygnus Rift, that marks the beginning of the long dark band of the Great Rift.
Map of Cygnus
Relative Galactic Position of Cygnus

As this diagram shows, the constellation of Cygnus lies exactly on the band of the Milky Way, and so is also exactly on the plane of our galaxy.

As well as being home to the bright star Deneb, Cygnus also contains a number of well-known nebulae, including the North America Nebula and the Veil Nebula.

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