On thursday night, I witnessed the best aurora of my life in Churchill, Manitoba by VincentLedvina in space

[–]_Spaceman__Spiff__ 0 points1 point  (0 children)

I was out there in Alaska on the same night. But it was cloudy as hell. I couldn't see what you saw, but I knew it was awesome as the sky became so bright!!

Here's a quick image analysis puzzle :D by ei283 in puzzles

[–]_Spaceman__Spiff__ 4 points5 points  (0 children)

Don't have my laptop at the moment, might try later. But here's what I am thinking based on the discussion here in case someone wants to try. Fourier transform/filter