23.11.50, 30 sec
23.13.25, 30 sec
23.15.13, 30 sec
Suddenly a searchlight was lit!
23.16.54, 20 sec
Note the Big Dipper in the upper part of the photo (with the handle pointing downwards). The top of the aurora reaches the third star of the handle, which means it goes up to nearly 50 degrees in the sky!
01.34.34, 25 sec
Now the aurora is faded considerably.