Heart Nebula - diffuse nebula
Heart Nebula, is a diffuse nebula located in the constellation Cassiopeia .
Heart Nebula is magnitude 18.3 and is 150' in size. For reference, the full moon is 30' (arc minutes) or 0.5° in size.
- Heart Nebula
- diffuse nebula
* One can see up to magnitude 7-8 objects with perfect eyes under ideal dark sky conditions.