Slept right through it. But here’s a video: http://www.aos.wisc.edu/fireball/2010_04_14_fireball_loop_1024x768_long.gif
It was quite spectacular!
That video from UW-Madison is cool, thanks.
Methinks it was an ominous warning to that Wisconsin federal judge who ruled that National Prayer Day is unconstitutional.
From the video it looks more like an expolsion in outer space.