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Comet NEOWISE over Horseshoe Canyon (July 11, 2020) | by Amazing Sky Photography
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Comet NEOWISE over Horseshoe Canyon (July 11, 2020)

This is Comet NEOWISE (C/2020 F3) over the Horseshoe Canyon formation near Drumheller, Alberta on the night iof July 10-11, 2020, taken about 2 a.m. MDT with the comet just past lower culmination with it circumpolar at this time. Warm light from the rising waning gibbous Moon provides the illumination. The comet’s faint blue ion tail is just barely visible even in the moonlit sky and low altitude. The glow of summer perpetual twilight at latitude 51.5° N still colours the northern horizon despite this being close to the middle of the night.

 

This is a blend of six 1- and 2-minute exposures for the ground at ISO 800 and 400 stacked to smooth noise, with a single 30-second exposure at ISO 1600 for the sky, all with the 35mm Canon lens at f/2.8 and Canon 6D MkII, with LENR employed on this warm night. Stacked and masked with Photoshop. Topaz DeNoise AI applied to the sky; Topaz Sharpen AI applied to the ground. Construction barriers prevented access to the trail down, which might have made a better image with a cleaner horizon.

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Taken on July 11, 2020