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...
Behold M13, the magnificent globular cluster nestled in the constellation Hercules. Home to hundreds of thousands of ancient stars packed into a tight, spherical swarm roughly 22,000 li...