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...
NGC 660 is a peculiar galaxy with a large, ring-like structure that surrounds the central lenticular galaxy at an approximately 45-degree angle. It is located approximately 45 million l...