Two X-class solar flares - X1.8 and X1.7 erupt from Region 3590 - The Watchers

NOAA: Geostorm Warming as recent solar flares hit Earth •

GMS: First X-Class Solar Flares of 2013

Space Weather by SolarHam

Two X-class solar flares - X1.8 and X1.7 erupt from Region 3590

Major X6.3 solar flare erupts from Region 3590 - The Watchers

Put on your eclipse glasses and look up to see the biggest sunspot

Today two years ago: the strongest solar flare of this cycle

Major X1.5 solar flare erupts — the first X-class flare of Solar

Solar Observations - 2024 - Solar Observatory

SPACE WEATHER

Major X6.3 solar flare erupts from Region 3590 - The Watchers