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...
IC4592, one of the best Blue Gems in the Southern Hemisphere (L+RGB). I revisited this amazing target after a year to control whites and colors better using new skills, and to bring out...