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M4.4 solar flare

Not a prank! We just had the first M-class solar flare since November last year!

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Sunspot region 2645

Sunspot region 2645 has gone Beta-Gamma-Delta! Beta-Gamma-What? Yes, Beta-Gamma-Delta. We give this classification to the most complex magnetic figuration a sunspot region can have: umbrae of opposite polarity in a single penumbra. A sunspot group with a beta-gamma magnetic configuration that contains one (or more) delta sunspots. Let's take a closer look and see if we should expect more solar flares.

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Last X-flare2025/01/04X1.85
Last M-flare2025/01/21M3.3
Last geomagnetic storm2025/01/04Kp5 (G1)
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Last spotless day2022/06/08
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December 2024154.5 +2
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