This movie is made of 1028 images of each 25 sec exposure, starting from 21:39 MEST (09.04.2015) until 05:03 MEST Danish Summertime (=UT+2) on 10.04.2015. Filmed in northern direction, Polaris is the bright fixed star at the image top. Clear sky, and auroras visible (Kp = 6) – starting in this video at 18 seconds .
Location : “Nydam Mose” - en.wikipedia.org/wiki/Nydam_Mose
Spaceweather.com wrote : “Prompted by unsettled conditions in the solar wind, a G2-class storm erupted during the early hours of April 10th, sparking auroras as far south as Colorado.”