“Whirlpool”, Spiral Galaxy, Canes Venatici
Mag 8.4 Size 11.2′ x 6.9′
2015-04-17
200mm f8 RC, piggyback guiding C80ED
L 10×300 2×2, RGB 10×240 3×3
Atik 460EX (-10C), LRGB filters, IDAS P2 LPR filter
Captured in APT, Processed in Nebulosity3, PS CC, LightRoom

Lots wrong with the processing – still can’t get rid of hot pixels. Dust on sensor cover I think and flats haven’t totally got rid of it. But quite pleased.