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Originally posted by Bitman Lemme take a shot at spoiling tommorow's picture. I'm partial to the 'force field' effect in this shot. But Saturn's got pretty cool aurorae too.
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Good choice of words because the earth' upper atmosphere is the force field in this case. I've seen the aurora several times. I think best times were back in September 1987, and March 1991. I was in Wenatchee in 1987. That's Eastern Washington; absolutely clear of light pollution. In 1991 I was in Olympia, WA. I was sitting by the side of a small lake in the woods on the outskirts of town. The aurora were amazingly bright, and ranged from the northern horizon to directly overhead. It looked like slow red and green fire. Very awe-inspiring.