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Sunspot region AR13912

Number of
sunspots		 Size Class Magn. Class Spot Location
2024/11/28 2 110 ESO S04E65
2024/11/29 2 120 DSO S04E50
2024/11/30 11 190 ESO S04E36
2024/12/01 9 90 ESI S05E23
2024/12/02 10 100 ESI S07E10
2024/12/03 16 160 EAI S05E11
2024/12/04 12 180 EAI S06W01
2024/12/05 9 180 DAI S06W18
2024/12/06 13 200 CAO S06W31
2024/12/07 12 220 DAI S07W43
2024/12/08 7 200 DAO S06W52
2024/12/09 5 220 DAI S06W75
2024/12/10 5 180 DAI S06W91
2024/12/11 5 180 DAI S06W0*
CMX
4621

The top 10 solar flares from sunspot region 13912

Start Maximum End
1X2.22024/12/0808:5009:0609:10
2M6.72024/12/1115:3215:4915:56
3M1.52024/12/0816:0016:1116:18
4C8.42024/12/0915:5816:1216:20
5C8.32024/12/1022:1022:2122:31
6C7.92024/12/0811:5312:1012:23
7C7.72024/12/0708:5008:5909:12
8C6.92024/12/0710:2610:3010:36
9C6.72024/12/0622:5222:5623:00
10C6.72024/11/2806:2806:3306:39
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Last X-flare2025/03/28X1.1
Last M-flare2025/04/01M2.5
Last geomagnetic storm2025/03/27Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
February 2025154.6 +17.6
April 2025147 -7.6
Last 30 days129.8 -18.9

This day in history*

Solar flares
12001X1.77
22017M8.35
31999M6.2
42001M3.57
52017M1.81
DstG
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*since 1994

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