The isolated auroral arc of March 2, 2017 in the east at 11:21 pm MST.
The isolated auroral arc of March 2, 2017 in the west at 11:18 pm MST.
An isolated auroral arc to the southeast on September 2, 2016, shot from home during a fine display with active curtains to the north. This one displays the classic picket fence apperarance, with fingers of green aurora that moved along the band during a time-lapse of the scene. A single 13-second exposure with the 20mm lens at f/1.4 and Nikon D750 at ISO 3200.