By Joshua Reber | 2019-06-24
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On 07/20/2019 11:00 pm by Ben Taylor | Clackamas, Oregon
North American Nebula taken in Clackamas, Oregon from my back deck. Bortle level 6. Thirty stacked240 seconds sub exposures, gain 90, cooled to -10C. Flat, dark, and bias calibration frames used.
80 mm f6 x0.8 reducer Stellarvue triplet refractor (380mm final focal length) OPT Triad Ultra narrow band filter. ZWO ASI071 MC-Pro. ASIAIR used for camera/mount control and auto guiding. Mount is Celestron AVX.
Nebolsity, Photoshop, and Lightroom used to bring out details