M83 (NGC 5236) - Southern Pinwheel Galaxy
Messier M83 (NGC 5236), also known as the Southern Pinwheel Galaxy, is a barred spiral galaxy located in the constellation Hydra in the Centaurus A Group of galaxies.
Messier M83 is best viewed during mid-summer, is magnitude 8.5*, and can be viewed with binoculars. It is 11 x 10' in size. For reference, the full moon is 30' (arc minutes) in size.
* The naked eye can see up to magnitude 8 objects under ideal dark sky conditions.
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