Tag Archive | long duration X-Class Solar Flare

SPACEWEATHER: Hours Long X-Class Solar Flare

X1.5-Class Eruption, Likely Earth-directed

SPACEWEATHER.COM NEWS: 03/30/2026

LONG DURATION X-CLASS SOLAR FLARE: Growing sunspot 4405 erupted again on March 30th, producing an X1.5-class solar flare. NASA’s Solar Dynamics Observatory captured the hours-long explosion:

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