Caldwell object C23 is a galaxy located within the constellation Andromeda. Caldwell C23 is best viewed during Fall, is magnitude 9.9*, and can be viewed with large binoculars. It is 9.9 in size. For reference, the full moon is 30' (arc minutes) in size.
- large binoculars
- 14 x 2'
- 02 22.6
- +42 21'
* The naked eye can see up to magnitude 8 objects under ideal dark sky conditions.
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