A dim auroral arc across the northern sky, from home, on February 17, 2017. This was at the start of a time-lapse, hoping the aurora would develop into something more interesting. But alas, this about as good as it got. 20 seconds at f/2.8 with the 12mm Rokinon lens and Nikon D750 at ISO 3200.
Curtains of aurora over the boreal forest trees at the Churchill Northern Studies Centre, Churchill, Manitoba, on a Kp Index night of 1, on January 25, 2017. With the 12mm Rokinon full-frame fish-eye lens for 20 seconds at f/2.8 and ISO 3200, taken as part of a time-lapse sequence.