Sunspot region 3842 is on fire! This region is in a perfect earth-facing position and today produced the strongest solar flare of the current solar cycle! It was an X9.05 solar flare (R3-strong) that peaked at 12:18 UTC. This is in fact the strongest solar flare in 7 years. The last time we had solar flares bigger than this one was back in 2017! Yes that is the previous Solar Cycle!
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Poslední X-záblesk | 19. 06. 2025 | X1.9 |
Poslední M-záblesk | 03. 10. 2025 | M1.2 |
Poslední geomagnetická bouře | 03. 10. 2025 | Kp5 (G1) |
Dny bez skvrn | |
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Poslední den bez skvrn | 08. 06. 2022 |
Průměrný měsíční počet slunečních skvrn | |
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září 2025 | 129.8 -3.7 |
října 2025 | 140.1 +10.3 |
Posledních 30 dnů | 131.3 -1.2 |