C2 - Bow-Tie Nebula
Caldwell 2 (NGC 40) also known as the Bow-Tie Nebula is a planetary nebula located within the constellation Cepheus.
C2 is best viewed during Fall, is magnitude 12*, and can be viewed with small telescope. It is 0.6' in size. For reference, the full moon is 30' (arc minutes) in size.
- Bow-Tie Nebula
- planetary nebula
- small telescope
- 00 13.0
- +72 32'
* The naked eye can see up to magnitude 8 objects under ideal dark sky conditions.