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Astro Bob

Aurora Sneaks Up On Us — More And Better Expected Tonight

31 Aug 2019, 20:08 UTC
Aurora Sneaks Up On Us — More And Better Expected Tonight
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William Wiethoff of Port Wing, Wis. got this beauty photo of the aurora and Big Dipper over Lake Superior last night. More northern lights are expected tonight.
Yesterday afternoon the space weather forecast looked pretty dull with Kp indices about 1 and 2. But by early evening the new forecast predicted a minor storm. And yes, it happened! I’ve been attending the Northern Night Star Fest, an annual event put on the Minnesota Astronomical Society near the town of McGregor, Minn. There are lots of great speakers, a swap table and of course dark skies.
Similar rays and arc photographed about the same time over a 100 miles away near McGregor, Minn. Bob King
Last night we noticed a green glow near the northern horizon at the end of evening twilight that swelled into a thick arc chalked with several pink (in the camera only) brush-like rays. Clouds tried to ruin the view, but the northern sky stayed clear enough that a bunch of us were able to take in the modest show and get a few photos to boot despite the heavily forested environment.
Despite occasional clouds we had some great views of the Milky Way draped across the ...

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