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...
This is a red emission nebula in the constellation Puppis, also known as Sh2-302. To the upper left of the dark dust lane, there is a faint blue reflection nebula, vdB97. Data from th...