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...
A dive into the Dark Horse Nebula (Barnard 78), one of the most striking examples of a dark nebula, nestled within the rich Milky Way star fields of the constellation Ophiuchus. A maste...