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The image of M57 was obtained from 300x1.5 seconds exposures with the ASI224MC video camera. Sharpcap was used for the capture, PIPP to split the AVI into individual TIFFs and then Deep Sky Stacker to process. I still can't get over the low noise and sensitivity of this new camera. With the gain up, you can see the red of the ring on the screen!
M27 was obtained by the same means.