The smudge in the the center of this picture is the Pegasus Dwarf Irregular Galaxy (aka Peg DIG or the Pegasus Dwarf), a companion of the Andromeda Galaxy in the Local Group. The science fiction television series Stargate Atlantis is set in this galaxy.
Image Credit: Starhopper
CC BY-SA 4.0
What if we don’t care about Disney’s movie (which reportedly is filled with irregular dwarves)? [grin]