This is my image of Messier 64, the Black Eye Galaxy in the constellation Coma Berenecies.  Here is a summary of the length and number of camera exposures and dates for each of the color filters that I used over a period of 13 hours in June, July and  August 2018:

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 Red: 14 x 8 minutes on July 7 2018   

           9 x 9 minutes on Aug 4 2018

                  Total = 193 minutes

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 Green: 12 x 8 minutes on July 9 2018   

             11 x 8 minutes on Jul 14 2018

                  Total = 184 minutes

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 Blue :  16 x 8 minutes on July 8 2018   

              1 x 5 minutes on Aug 6 2018

              1 x 9 minutes on Aug 6 2018

             11 x 8 minutes on Aug 6 2018  

                  Total = 230 minutes

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Luminance:  7 x 8 minutes on June 14 2018

                  21 x 5 minutes on June 15 2018

                  14 x 5 minutes on June 16 2018

                     Total = 231 minutes

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Total Integration Time = 838 minutes

              (14 hours)

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I captured M64 with my C-11 SCT, an ATIK 460EX monochrome camera, LRGB color filters, a 0.63X focal reducer an On Axis Guider, a Lodestar X2 guide camera and a motorized focuser.

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The Black Eye galaxy collided with another galaxy and absorbed it more than a billion years ago; in the process a dark dust feature was deposited near the center of my image on the right side of the galaxy's core.