Caldwell C20 - North America Nebula
Caldwell object C20 also known as the North America Nebula is a diffuse nebula located within the constellation Cygnus.
Caldwell C20 is best viewed during Fall, is magnitude 4*, and can be viewed with naked eye. It is 120 x 100° in size. For reference, the full moon is 30' (arc minutes) in size.
- North America Nebula
- diffuse nebula
- naked eye
- 120 x 100'
- 20 58.8
- +44 20'
* The naked eye can see up to magnitude 8 objects under ideal dark sky conditions.
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