Cygnus, the Swan or Northern Cross (Cyg)

The constellation of Cygnus, the Swan or Northern Cross, is best viewed in the Fall season during the month of September for mid-northern latitudes. It's brightest star is Deneb at magnitude 1.25. The boundary of the Cygnus constellation contains 85 stars that host known exoplanets.

The naked eye can generally see up to magnitude 6 (magnitude 8 with perfect eyes) under ideal dark-sky conditions.

1. Meaning:
2. Swan or Northern Cross

1. Genitive:
2. Cygni

1. Abbreviation:
2. Cyg

1. Constellation Family:
2. Hercules

1. Best Viewing Month*:
2. September

1. Right Ascension (avg):
2. 20h 36m

1. Declination (avg):
2. 49° 35'

1. Brightest Star:
2. Deneb (1.25m)

1. Exoplanet Host Stars:
2. 85

1. Triple Stars:
2. 5

1. Messier objects:
2. M29, M39,

1. Caldwell objects:
2. C15, C19, C20, C27, C33, C34,

1. Herschel objects:
2. NGC 6826, NGC 6834, NGC 6866, NGC 6910, NGC 7000, NGC 7008, NGC 7044, NGC 7062, NGC 7086, NGC 7128,

1. X-ray Stars:
2. 1 binary stars

1. Pulsars:
2. 1

1. Other:
2. black hole, hypergiant

* For southern latitudes, flip the season listed. For example, if a constellation is listed as best viewed in the summer in the month of July, in the southern hemisphere the constellation would be best viewed in the winter in January and would be upside-down.

** Circumpolar constellations are visible year-round in the hemisphere listed.

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