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Sunspot cluster AR 3723 returns, triggers powerful solar flare

The Daily Galaxy --Great Discoveries Channel — June 25, 2024, 07:00 PM UTC

Summary: The sunspot cluster AR 3723, previously AR 3664 and AR 3697, returned with an M9.3 solar flare on June 23, 2024, near X-class intensity. It caused the most intense geomagnetic storm in 20 years. AR 3723 produced 28 M-class flares and 6 X-class flares during its last rotation. Solar physicist Keith Strong noted its significance. Solar flares can impact Earth's communications and technologies. Monitoring continues for potential geomagnetic storms and auroras.

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