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Aurora over CNSC #2 (Jan 29, 2017).jpg
A modest aurora over the Churchill Northern Studies Centre, Churchill, Manitoba, on January 29, 2017. Note the odd looping shape that formed for a minite or so. This is one frame from 300 taken as part of a rapid-cadence time-lapse sequence. A 1-second exposure at ISO 3200 at f/1.4 with the Sigma 20mm Art lens.