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...
The Bubble nebula is in the constellation, Cassiopeia. The brilliant star inside the nebula is 45 times more massive than the sun. Stellar winds from this star form the outer edge of ...