M57 Ring Nebula

Image has been stacked using DeepSkyStacker (DSS), but no other processing done.

 

Taken with an Imaging Source DMK 21AU04.AS mono ccd camera. Skywatcher Quattro 8" steel tube on a HEQ5 pro mount.

Eleven, forty second exposures captured with Sharpcap and stacked with calibration frames.

Done