Alpha Cygnus IX was the inhabited ninth planet in its star system. The Treaty of Alpha Cygnus IX was named after this planet. (TNG: "Sarek") This planet was only mentioned in dialogue.According to StarTrek.com, Alpha Cygnus was the classic Bayer designation for Deneb. (the correct Bayer designation of Deneb is really Alpha Cygni). See also Alpha Cygnus II External link Alpha Cygnus IX at Memory Beta, the wiki for licensed Star Trek works Retrieved from "https://memory-alpha.fandom.com/wiki/Alpha_Cygnus_IX?oldid=2357912" Categories: Planets Languages: Español Français Nederlands Community content is available under CC-BY-NC unless otherwise noted.