From Wikipedia: "Omega Centauri ( NGC 5139, or Caldwell 80) is a globular cluster in the constellation of Centaurus that was first identified as a non-stellar object by Edmond Halley in...
Sadr, the brightest star in this image, the "heart" of Cygnus.
The Sadr region covers a large area in the constellation Cygnus, containing a vast nebula also known as the "Butterfly Ne...