Omega Cygni
From Memory Alpha, the free Star Trek reference
Omega Cygni is a star system and planet, in or near Federation space, and home to a native alien civilization. (TNG: "Conspiracy")
Harry Mudd once visited Omega Cygni, where he turned a handsome profit selling the natives their own oceans. (TAS: "Mudd's Passion")
The native alien civilization of Omega Cygni may be the Cygnians.
Omega Cygni components Omega-1 Cygni and Omega-2 Cygni are real stars, located in the constellation named Cygnus (the location of Deneb), this system has been called Ruchba by astronomers on Earth.
Omega Cygni was mentioned, misspelled "Omega Cyngi", as a small note on a very large star chart graphic created for TNG: "Conspiracy". It was the image behind the chair in the room where Dexter Remmick was killed.
