Changes on the Sun

The Coronal Hole has closed, though Sunspot AR4493 is coming back to life.

INCREASING CHANCE OF SOLAR FLARES: The magnetic field of big sunspot 4493 is complexifying again. After some simplification yesterday, it has once again developed a unstable delta-configuration that poses a threat for strong solar flares. NOAA forecasters estimate a 55% chance of M-class flares and a 10% chance of X-flares on July 24th.

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