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X1.1 solar flare

That was unexpected! Incoming sunspot region 3341 produced an X1.1 solar flare (R3-strong) that peaked yesterday at 17:09 UTC. It has almost been 3 months since the last time we had an X-class solar flare and we have to admit getting an X-flare was unexpected!

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Space weather facts

Last X-flare2024/05/11X1.5
Last M-flare2024/05/12X0.9
Last geomagnetic storm2024/05/11Kp9 (G5)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
April 2024136.5 +31.6
May 2024140.5 +4
Last 30 days172.8 +81.3

This day in history*

Solar flares
12024X0.9
22001M4.31
32024M3.2
42013M2.76
52005M2.31
ApG
11949153G4
21959108G4
3193876G3
4202142G3
5198352G2
*since 1994

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