It begins in twilight, the sky was clear for about two hours. In the south west direction at horizon was some sheet lightning. Than massive clouds came in and with the moon at south east and the lightning at west it gives a turbulent composition.
Recorded with a small camera (ZWO ASI 178MC) at Roof Observatory Kaufering,
3h 14min time lapse in only 15s video, exposure of 30s per frame, 388 frames