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Sunspots today; possible auroras tomorrow and the 7th [View all]
I took this photo this afternoon. Searching online, I found that the sunspot group near the center experienced a Coronal Mass Ejection (CME) event on Tuesday, and the ions it launched should hit the Earth tomorrow, probably causing very nice auroras (and possibly disrupting some communications). Today, there was even larger CME from the same group -- in fact, the largest seen this solar cycle! -- which should hit us on Monday.
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