Hanny's Voorwerp
Hanny's Voorwerp, also known as the IC 2497, is located in the constellation Leo Minor, and is best seen in spring.
Hanny's Voorwerp is magnitude , 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.
Find your inner astronomer. Your complete guide to amateur astronomy.