Nebulae - PeterNagy
M57: Ring Nebula in Lyra, 12 x 5 minutes, F/10, 7/14/2012. Celestron 8" EdgeHD with Astro-Physics Mach1GTO GEM. SXVR-M25C. Hutech OAG. Lodestar. Capture and pre-processed (BPM, Bias, Flat Calibration) with Nebulosity. DeBayered, stacked and post-processed with PixInsight. PHD settings: RA Aggressiveness: 60, RA Hysteresis: 10, Max Dec Duration: 75, Min Motion: 0.70, Calibration Steps: 125msec, Auto/Resist Switching, Extreme dithering and Settled at < 0.5, 3 sec guiding exposure. SQM: 19.3

M57: Ring Nebula in Lyra, 12 x 5 minutes, F/10, 7/14/2012. Celestron 8" EdgeHD with Astro-Physics Mach1GTO GEM. SXVR-M25C. Hutech OAG. Lodestar. Capture and pre-processed (BPM, Bias, Flat Calibration) with Nebulosity. DeBayered, stacked and post-processed with PixInsight. PHD settings: RA Aggressiveness: 60, RA Hysteresis: 10, Max Dec Duration: 75, Min Motion: 0.70, Calibration Steps: 125msec, Auto/Resist Switching, Extreme dithering and Settled at < 0.5, 3 sec guiding exposure. SQM: 19.3