Old sunspot region 3664 and more recently 3697 is back for a third visit of the earth-facing solar disk. The region received sunspot number 3723 and immediately announced its return with an impulsive and non-eruptive M9.3 (R2-moderate) solar flare that peaked at 13:01 UTC. It has decayed heavily as expected of course but there still seems to be some gas in the tank for major eruptions! Exciting!
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Last X-flare | 2024/10/03 | X9.0 |
Last M-flare | 2024/10/06 | M1.0 |
Last geomagnetic storm | 2024/09/25 | Kp5 (G1) |
Spotless days | |
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Last spotless day | 2022/06/08 |
Monthly mean Sunspot Number | |
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September 2024 | 141.4 -74.1 |
October 2024 | 194.4 +53 |
Last 30 days | 152.7 -39.9 |