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Sunspot region AR13643

Number of
sunspots		 Size Class Magn. Class Spot Location
2024/04/15 8 100 DAI S10E63
2024/04/16 6 100 DAI S10E49
2024/04/17 20 130 FAI S13E34
2024/04/18 29 160 DAI S12E18
2024/04/19 18 130 DAI S13E09
2024/04/20 12 90 CRO S13W06
2024/04/21 10 80 CRO S11W08
2024/04/22 7 20 CRO S13W32
2024/04/23 6 10 BXO S13W45
2024/04/24 16 240 EAC S13W57
2024/04/25 5 20 CAO S12W72
CM
62

The top 8 solar flares from sunspot region 13643

Start Maximum End
1M1.62024/04/1721:5522:0822:17
2M1.32024/04/1807:1707:3708:09
3C8.82024/04/1720:0020:0420:12
4C4.42024/04/1502:5103:0903:22
5C3.92024/04/1610:0610:1510:24
6C3.42024/04/1713:3913:4813:55
7C2.82024/04/2508:1008:1408:18
8C2.62024/04/2003:3303:3903:47
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Last X-flare2025/12/08X1.1
Last M-flare2025/12/09M1.5
Last geomagnetic storm2025/12/04Kp5 (G1)
Spotless days
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Monthly mean Sunspot Number
November 202591.8 -22.8
December 2025160.6 +68.8
Last 30 days108 +10.6

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*since 1994

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