Astronomer films strange violet ring in the sky over Russia

Astronomer Jan Kowsky managed to capture in just one night, from August 15 to 16, 2018, images and videos of almost all rare atmospheric phenomena, including sprites, elves, airglow, meteors, fireballs, northern lights over Irbit, Sverdlovsk Oblast, Russia.

Author images and video: vk.com/jankowsky

The next video shows besides the very strange violet ring (elve) all these atmospheric phenomena.

Time stamps video:
Sprites: 00:00 - 00:19, 00:25 - 00:32, 00:45 - 00:55
Elves: 00:20, 00:33
Heat-lightning: 00:38 - 00:44
Meteors: 00:56 - 01:30
Northern lights: 01:31 - 01:41
Airglow: 01:20, 01:42 - 01:51
Composite of meteor, aurora and sprites: 01:52 - 02:00
Composite of sprites and elve: 02:01 - 02:24