Sun Won’t Quit — Aurora May Return Tonight Thru Wednesday

I almost didn’t wake up in time for this morning’s occultation of Aldebaran by the last quarter moon. Let’s just say I made myself get up. Sure glad I did. Despite some fire haze, Aldebaran waited just off the moon’s edge through the telescope. The contrast of that bit of fire with the broad, daylight-tinted…
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Strong Geomagnetic Storm Hits Tonight Sept. 7-8

The big aurora blast we were waiting for appears to have fizzled with only a minor spike in activity. But the sun has more in store. Wednesday’s giant X9.3 flare in sunspot group 2673 sparked a coronal mass ejection (CME) that’s arrived sooner than expected. It slammed Earth’s magnetosphere around 6 p.m. (Central time) this evening and…
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Solar Storm Headed Our Way / Aurora Alert Tonight Sept. 6-7

The large sunspot group, active region 2673, that grew in great haste over the weekend, has proceeded to shoot out flares like a 4th of July fireworks display. Seven moderate or M-class flares erupted Monday and five more on Tuesday. During one of Monday’s flares, the spot group launched a CME or coronal mass ejection toward…
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Grab Those Eclipse Glasses — See These Giant Sunspots!

Last night I called my Mom to talk and mentioned she could use her eclipse glasses to see the huge sunspots that now blotch the sun. Unfortunately, she thought the glasses were for one-time use and threw them out after the eclipse! “No, no, no,” I told her. “They’re good to look at the sun any…
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Northern Lights Possible Tonight And Thursday / Last-Minute Eclipse Checklist

So many of us have the eclipse on our minds, but nature has many cards. Tonight (Aug. 16) and tomorrow, night it’s expected to deal the aurora card with minor (G1) geomagnetic storms forecast. A high-speed flow of particles from a coronal hole slamming into a slower stream compresses the material and creates a shock…
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