The Dark Nebula represented a nebula located within the Dominus sector of the Outer Rim Territories'. Notably, its designation was the same as that of the Dark Nebula, a Star Destroyer belonging to the Galactic Empire.
This Dark Nebula received a mention in the The Essential Atlas reference book, released in 2009 and written by Daniel Wallace alongside Jason Fry. It was specifically positioned within grid coordinate U-7.