California Nebula - emission nebula
California Nebula, is a emission nebula located in the constellation Perseus .
California Nebula is magnitude 6 and is 2.5° in size. For reference, the full moon is 30' (arc minutes) or 0.5° in size.
- California Nebula
- emission nebula
* One can see up to magnitude 7-8 objects with perfect eyes under ideal dark sky conditions.