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...
Emerging like a celestial dolphin leaping through the cosmos, Sh2-308, or the Dolphin Nebula, is a striking example of a Wolf-Rayet bubble located in the Canis Major constellation. This...