Heres 75 mins on M78 @f3.6.
15x5 mins ISO400. LPS filter, MPCC coma corrector on Meade 6 inch F3.6 SN. Modded 350D. Shot on another clear but warm night.
Scott
shame about the bit of distortion on the left side/corners .. I'd probably crop it off it were mine.. but it is nice having the star field fully surrounding, so debatable