There is a nice bright aurora currently visible from Northfield Minnesota. (lat. ~+45*) It was first visible as a narrow, greenish arc about 20* above the northern horizon. Over the last 45 minutes it has brightened, grown more diffuse, and climbed higher in the sky. It is now quite bright, and reaching about 35* up from the northern horizon. Well worth going out and having a look.
Cheers,
Maurice
Cheers,
Maurice
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