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Vertical Curtains of Aurora over Boreal Forest.jpg
Vertical curtains of aurora converging to the zenith overhead over the snowy boreal forest at the Churchill Northern Studies Centre, Churchill, Manitoba. I shot this Feb 4, 2016 on a night with temperatures of -35° C with a slight wind. The Big Dpper is at right. Exposure was 10 seconds at f/2.8 with the 15mm lens anf Canon 6D at ISO 3200.