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Sunspot region AR13831

Number of
sunspots		 Size Class Magn. Class Spot Location
2024/09/19 10 100 CRO N12E05
2024/09/20 7 80 DAO N12W09
2024/09/21 7 80 DAO N12W23
2024/09/22 7 80 DAO N12W37
2024/09/23 3 80 CAO N14W49
2024/09/24 3 60 CAO N15W62
2024/09/25 4 30 CRO N15W76
2024/09/26 2 20 CRO N15W90
2024/09/27 2 20 CRO N15W0*
C
4

The top 4 solar flares from sunspot region 13831

Start Maximum End
1C4.42024/09/2120:3720:4620:50
2C3.92024/09/2014:4514:5715:04
3C2.42024/09/1921:4621:5221:57
4C1.62024/09/2113:3513:4113:46
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Growth of Cycle 25 972Changelog/Featurelog 176AR4294 / 4296 / 4298 317Incoming & Unnumbered Active Regions 17AR 4299 25
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Last X-flare2025/12/01X1.9
Last M-flare2025/12/04M6.0
Last geomagnetic storm2025/12/04Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
November 202591.8 -22.8
December 2025175.4 +83.6
Last 30 days107.3 +14.6

This day in history*

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12006X9.4
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32006M5.04
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DstG
11959-90
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*since 1994

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