From the pristine dark of his backyard in rural Alberta, Canada, Alan Dyer has taken stunning photos of a rare sky glow called STEVE. To capture this ribbon of mauve, he and other citizen scientists typically let their cameras collect light for seconds at a time. Long exposures smear out STEVE’s finer details in favor of making its color pop. But when a STEVE stretched over his house one August night in 2022, Dyer tried a different approach.
He zoomed in on the sky glow with his camera and took a video of STEVE’s nitty-gritty details at a rate of 24 snapshots per second. Instead of the largely smooth
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