Lights in the sky

Hi Val,I’m sure lots of people saw the lights in the southern sky last night. Anyone know what the phenomenon is called?

Pics taken from the ridge above Laguepie. 135mm f2 lens, 0.5 sec at ISO 32000.
Gareth Brown

Val says We think it was lightning in the distance which went on most of the night, made quite an impression on us all. Find two more pics in " photos" 
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