Visibility II / V
STEVE arc. Watching the calm arc of northern lights in the northern sky, I noticed that the pale "clouds" were drifting at a brisk pace in the sky at an angle of about 30 to 40 degrees, probably 10 min. they went there until I woke up to how bright those "clouds" were, as the Northern Lights did. That's right, but I think they packed in the same tight pile so the brightness increased. (this is how it looked from my point of view)
One image shows how the vertical rays differ from each other (exposure 1s.) Propagates from right to left, in another image a bright pillar is formed until finally the formation begins to disintegrate very slowly. The time interval of the images is about 1/2 h, but the total observation time is closer to an hour.