An astronomer captured a rare, detailed photo of a sprite, a type of upward-shooting red lightning, during a thunderstorm in Slovakia. The sprite had a luminous, zig-zagging structure measuring over 31 miles across and lasted for just a few fractions of a second. Sprites, part of transient luminous events tied to lightning, are difficult to photograph but may be triggered by disturbances in atmospheric plasma.

https://www.livescience.com/planet-earth/weather/eerie-ultra-detailed-photo-of-a-lightning-sprite-exposes-one-of-natures-least-understood-phenomena