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|List of stars in Cygnus|
|Right ascension:||20.62 h h|
|Area:||804 sq. deg. (16th)|
|Stars known to have planets:||57|
|Brightest star:||Deneb (α Cyg) (1.25m)|
|Nearest star:||61 Cyg ( ly)|
|Meteor showers:|| October Cygnids|
|Bordering constellations:|| Cepheus|
| Visible at latitudes between +90° and −40°|
Best visible at 21:00 (9 p.m.) during the month of September
Cygnus is a constellation in the northern sky. Cygnus means "swan" in Greek. There is a pattern of stars in Cygnus that is called the Northern Cross. This is because the pattern of stars looks like a cross. The constellation Crux (constellation) has a pattern of stars that is called the Southern Cross. The astronomer Ptolemy listed Cygnus in the 2nd century when he made a list of constellations.
- "Cygnus (swan) also (modern) Northern Cross". Harvard. http://chandra.harvard.edu/photo/constellations/cygnus.html. Retrieved 27 Jan 2013.