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That was an X7.1 flare! It's the second-strongest flare of Solar Cycle 25, as reported by SpaceWeather:
SIGNIFICANT X-CLASS SOLAR FLARE: Fast-growing sunspot AR3842 erupted on Oct 1st (2220 UT), producing the second-strongest solar flare of Solar Cycle 25. The X7.1-category blast caused a shortwave radio blackout over Hawaii and hurled a CME into space. A preliminary NASA model predicts it will hit Earth on Oct. 5th. Stay tuned for the geomagnetic storm forecast.
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| SpaceWeather |
The predicted geomagnetic storms coming our way:
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| SpaceWeatherLive |
What an active start to October!
Namarie! 💗
