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Thanks guys. I can report that essentially all of its shape was visible to the eye. The photos show this quite well, since the Milky Way is behind the aurora and would have been easily visible even at that low altitude. The aurora was brighter. Discernible colours were green and, to a lesser extent, red. The purple and blue parts appeared grey. There were pulsations in this one too, and I'll try to get a slightly better quality out of the videos to show this. Also the display at times went considerably higher than in these two photos, topping out at what we estimated to be about 70°. None that I'd seen from here since 2012 went that high.
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