The sweep of the auroral oval from a latitude of 70° north in the Barent’s Sea off the north coast of Norway, on October 26, 2017. The curtains exhibit a lower pink fringe from nitrogen. Taken from the forward deck of the m/s Nordlys This is a single 2-second exposure with the 12mm Rokinon full-frame fish-eye lens at f/2.8 and Nikon D750 at ISO 6400.
Auroral curtains from the deck of the m/s Nordlys on October 25, 2017, looking northeast toward the Big Dipper at right. Arcturus is setting a left of centre.
