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...
In the heart of the Ursa Minor constellation, not far from the North Star, lies an enigmatic web of filaments: the Polaris Flare. This celestial marvel is an example of Integrated Flux ...