I’ll keep trying for the Pinwheel but, If I can find it, Bode’s Galaxy and the Cigar Galaxy, also near the big dipper may be better targets. They have higher surface brightness which is more important than pure magnitude for deep sky objects like galaxies. In stellarium I have no trouble finding Bode’s – it’s above and outboard of the bowl about the same as the diagonal distance across it.
There’s a sort of right angle construct half way to bodes that may help. Supposedly it’s visible in 50mm binoculars which may help. Also, at 35mm on the canon(56mm equivalent) with the whole bowl of the dipper in frame bottom left, Bode’s galaxy would be centered in the frame.