NOAA has a solar image

GEOMAGNETIC STORM WATCH (G1): Minor G1-class geomagnetic storms are possible today, July 13th, as Earth passes through a stream of high-speed solar wind The gaseous material is flowing from an equatorial hole in the sun’s atmosphere. Aurora alerts: SMS Text

BEHOLD, “THE BEAST”: Around the world, astronomers are monitoring a massive prominence curling over the sun’s northeastern limb. David Wilson of Inverness, Scotland, calls it “The Beast”:



“This is 3 hours of the giant prominence as seen from my backyard solar observatory,” says Wilson. “It looks to me like some huge 4-legged beast shuffling along.”

Prominences are clouds of hydrogen held above the surface of the sun by magnetic fields. The shuffling of the Beast is a sign of magnetic instability and may herald a collapse or magnificent eruption. Photo-op, anyone? Monitoring is encouraged on July 13th.

more images: from Pat P. of Pittsburgh, PA; from Michael Jaeger of AZM Martinsberg Austria; from Michael Borman of Evansville, Indiana; from James Roger Samworth of Nailstone, Leicestershire, UK; from Simon Metcalfe of Stroud, Gloucestershire, UK

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