Shark Nebula - emission nebula
Shark Nebula, also known as the Dark Shark Nebula, is a emission nebula located in the constellation Cepheus .
Shark Nebula is magnitude and is 2° in size. For reference, the full moon is 30' (arc minutes) or 0.5° in size.
* One can see up to magnitude 7-8 objects with perfect eyes under ideal dark sky conditions.