Here is my first attempt at Trifid. Over 3 nights. Best 90% of 93 x 2mins lights. 15 each of darks, flats and dark flats each night. Using EQ6-R, SW 250 F4 scope, canon 600D unmodded, PHD2, DSS, Startools. Unfortunatley no coma corrector. I need a lot more practice at this. Rob.