Sunspot region AR12875

Number of
sunspots
Size Class Magn. Class Spot Location
2021/09/22 3 10 BXO S32W36
2021/09/23 3 10 BXO S31W48
2021/09/24 2 10 BXO S33W60
2021/09/25 2 10 BXO S33W73
B
2

The top 2 solar flares from sunspot region 12875

Start Maximum End
1B2.42021/09/2420:1920:2320:27
2B2.32021/09/2302:0402:1402:20

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Space weather facts

Last X-flare2024/11/06X2.39
Last M-flare2024/11/13M1.7
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024166 -0.4
Last 30 days163.2 +18.4

This day in history*

Solar flares
11999X1.15
21999M8.06
32005M5.58
41999M4.11
52005M3.72
DstG
11960-167G3
21998-109G2
32012-108G2
41989-105
51979-90G1
*since 1994

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