Hercules A - radio galaxy galaxy
Hercules A , is a radio galaxy located in the constellation Hercules.
Hercules A is magnitude *, is 2100 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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