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Messier 91

Messier 91 spiral

Messier 91, is located in the constellation Coma Berenices, and is best seen in spring.

Messier 91 is magnitude 11.5, and is 5.4 x 4.4 in size. For reference, the full moon is 30' (arc minutes) or 0.5° in size.

      1. Name:
      2. Messier 91
      1. Type:
      2. spiral
      1. Magnitude (m):
      2. 11.5
      1. Size:
      2. 5.4 x 4.4'
      1. NGC:
      2. 4548
      1. Messier #:
      2. M91

    * One can see up to magnitude 7-8 objects with perfect eyes under ideal dark sky conditions.



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