Taken with a modified Canon T3i through a Stellarvue Access-80mm on a Celestron Advanced VX mount. Guided with an Orion 60mm guidescope. Sixty light frames at 120 seconds each, calibrated with darks, flats, and bias frames. Stacked in DeepSkyStacker and processed in StarTools.
The North American Nebula (NGC7000) in hydrogen alpha.