A star in the constellation of Cygnus, 2620 light years from Earth.

From the Ra Contact: Identified as a planet within the “galaxy” Deneb, it was of a star system that had difficulty in supporting a second-density planet in achieving third-density life conditions; the entities from there incarnated on Earth; comprising largely the Lemurian civilization in the first major cycle, they also chose to incarnate in what became China and achieved some advancement in the second major cycle.

Reference

10.15, 21.28