C63 - Helix Nebula
Caldwell 63 (NGC 7293) also known as the Helix Nebula is a planetary nebula located within the constellation Aquarius.
C63 is best viewed during Fall, is magnitude 7.3*, and can be viewed with binoculars. It is 13' in size. For reference, the full moon is 30' (arc minutes) in size.
- Helix Nebula
- planetary nebula
- 22 29.6
- -20 48'
* The naked eye can see up to magnitude 8 objects under ideal dark sky conditions.