I have managed to photograph the Ring Nebula, M57 over two early mornings. I used 50 second exposures composed of 126 lights, 26 darks and 16 flats ISO 1600 on a Canon EOS 1000D (modified). Skywatcher Explorer 150P on a EQ-3 mount. I just stacked it using Deep Sky Stacker. It's unguided by the way.
I am personally happy with the results, considering the light pollution that have to deal with. The telescope has a focal length of 750mm.
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Thanks for looking.
Naddie


