5/30/2010 at 2215hrs, M51 obtained with a Canon 40D attached to a equatorial fork mounted 10" Schmidt Cassegrain telescope. This was a series of 35x120 second exposures W/8 darks, @ISO 800 - A 6.3 focal reducer was used in the optical train along with an Astonomik LP filter. All calibrated aligned and stacked with DSS.