Caldwell object C56 is a planetary nebula located within the constellation Cetus.
Caldwell C56 is best viewed during Winter, is magnitude 10.*, and can be viewed with small telescope. It is 3.8° in size. For reference, the full moon is 30' (arc minutes) in size.
- planetary nebula
- small telescope
- 00 47.0
- -11 53'
* The naked eye can see up to magnitude 8 objects under ideal dark sky conditions.
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