Pinwheel Galaxy spiral
Pinwheel Galaxy, is located in the constellation Ursa Major, and is best seen in spring.
Pinwheel Galaxy is magnitude 7.86, is 20.9 million light-years away, and is 28.8 x 26.9' in size. For reference, the full moon is 30' (arc minutes) or 0.5° in size.
- Name:
 - Pinwheel Galaxy
 
- Type:
 - spiral
 
- Magnitude (m):
 - 7.86
 
- Distance (Mly):
 - 20.9 Mly
 
- Size:
 - 28.8 x 26.9''
 
- Constellation:
 - Ursa Major
 
- NGC:
 - 5457
 
- Messier #:
 - M101
 
* 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.


