Polar Lights in Real Time

I've written a few times* about how the aurorae--the northern (and southern) lights--aren't just static or slow-moving displays but can positively flash and flap in real time, moving in waves that take less than a second to explode across the sky. Still, every time I see a real-time video of them, I'm astounded. Science isn't magic, but it can be magical. From "skydivephil" comes such a video, but it has some extras. It's lovely and fun for about the first 1:51, but then prepare to have your bra...