Cygnus Seven

Cygnus Seven, or Cygnus VII, is a planet.

Fiction

The Transformers cartoon

The Big Broadcast of 2006

Marvel Generation 1 comics

After the Junkions redirected the Quintessons' subliminal broadcasts preaching hatred of other lifeforms to the universe with their omni-directional relay, Cygnus Seven was among those affected by it. Under the broadcast's thrall, the Cygnus Seven natives attacked the Earth emissary. The Big Broadcast of 2006

In the UK version of the story, the events of "The Big Broadcast of 2006" are a fabrication invented by Wreck-Gar.

The AllSpark Almanac

Cygnus VII was part of the Nebulon Republic. Transformers Animated: The AllSpark Almanac II