NGC 4236

Barred Spiral Galaxy

Exposure:                   L = 390 min 1x1, RGB 60 min each 2x2. Total exposure time = 9.5 hours.
Date:                           May 2011.
Comments:                 This spiral galaxy has a dim surface brightness, so it is difficult to capture its full extent without using a long luminance time exposure. It is not often imaged by amateurs. Apparently it is a member of a fairly nearby galaxy cluster that also contains M 81 and M 82. It is classified as being magnitude 10.1, but it seems dimmer than that.
There are a few other tiny faint galaxies scattered throughout the field of view.

                                    Don Scott

The Holin A. Grotch Observatory


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