A constellation of the northern hemisphere east of, or following, Lyra; the Swan.

a constellation in the northern hemisphere between Pegasus and Draco in the Milky Way; contains a black hole

Cygnus (the swan) is a constellation that is shaped like a large cross. It is also known as the Northern Cross. It is seen along the Milky Way in the northern hemisphere. At its tail is the very bright star Deneb, (alpha Cygni) and at its head is the double star Albireo, (beta Cygni).

a genus of Anatidae

"Cygnus" redirects here. For other meanings of the term, see Cygnus (disambiguation).