David Elmore

NGC7822

Telescope: Borg 55FL 200mm focal length F/3.6 astro-graph Camera: Canon 6D (h-alpha modified) Filter: Radian Triad dual band, H-alpha and Oxygen III + H-beta Exposures: 68 four-minute at ISO 2500. iOptron iEQ45 with off-axis guider.
Here is NGC 7822 recorded from nearly smoke-free Dark Sky New Mexico. This is part of a three-night project to capture this object (and the Monkey Head) in Red, Green, and Blue at 380mm focal length and at 200mm focal length RGB, RGB with IDAS NGS1, and this rendering in RGB plus a Radian Triad filter.