A fish-eye lens view of an all-sky aurora on February 16, 2018, over the Churchill Northern Studies Centre, in Churchill, Manitoba, and caught during a short-lived bright outburst when the bottom fringe of the auroral curtains turned brilliant pink for a minute or so, due to energetic electrons exciting lower altitude nitrogen molecules.

This was with the 8mm Sigma fish-eye lens at f/3.5 and the Canon 6D MkII at ISO 3200. The sky is one exposure while the ground is a mean combined stack of 5 exposures to smooth noise. The exposures were part of a 925-frame time-lapse.