I've never seen the Aurora Borealis, just the Aurora Australis - and it looks exactly like this, just from below:
(European Space Agency pic)
I saw it from -32.7ish latitude in South Australia -- quite far north, for an aurora.
It was one of the most magical experiences of my life, and though I'd love to see another aurora, I'll take what I can get.
The Geologic Podcast Episode #384
5 hours ago