Go-astronomy logo

Coma Pinwheel Galaxy

Coma Pinwheel Galaxy spiral

Coma Pinwheel Galaxy, is located in the constellation Coma Berenices, and is best seen in spring.

Coma Pinwheel Galaxy is magnitude 10.4, is 45.2 million light-years away, and is 5.4' x 4.7' in size. For reference, the full moon is 30' (arc minutes) or 0.5° in size.

      1. Name:
      2. Coma Pinwheel Galaxy
      1. Type:
      2. spiral
      1. Magnitude (m):
      2. 10.4
      1. Distance (Mly):
      2. 45.2 Mly
      1. Size:
      2. 5.4' x 4.7''
      1. NGC:
      2. 4254
      1. Messier #:
      2. M99

    * 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.