M57 - The Ring Nebula
Date and Location- 2010-7-4 at the Victoria Centre Observatory.
Conditions- Clear, calm and 15ºC with good seeing.
Equipment- QSI583cs camera on 14" SCT and Paramount ME.
Exposure- 20x30sec lights with dark, flat and bias frames for calibration.
Processing in Deep Sky Stacker and Photoshop.