Mayall's Object ring
Mayall's Object , is located in the constellation Ursa Major , and is best seen in spring.
Mayall's Object is magnitude , is 450 million light-years away, and is in size. For reference, the full moon is 30' (arc minutes) or 0.5° in size.
* One can see up to magnitude 7-8 objects with perfect eyes under ideal dark sky conditions.
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