Alpha Cygnus IX was a planet located in the space of the galaxy's Alpha Quadrant, the ninth planet in the Alpha Cygnus star system. The Treaty of Alpha Cygnus IX, which was negotiated by Ambassador Sarek, was signed on this world. (TNG episode: "Sarek"; TOS - Crucible novel: The Fire and the Rose)

External linkEdit

• Alpha Cygnus IX article at Memory Alpha, the wiki for canon Star Trek.