Sunspot region AR12864

Number of
sunspots
Size Class Magn. Class Spot Location
2021/09/03 4 30 CRO N23E22
2021/09/04 7 50 DAO N25E09
2021/09/05 8 90 DAO N24W03
2021/09/06 10 180 DAO N24W18
2021/09/07 10 220 CSO N24W33
2021/09/08 1 110 HSX N23W46
2021/09/09 4 100 HSX N24W59
2021/09/10 2 80 CSO N24W76
2021/09/11 1 50 HSX N22W90
2021/09/12 1 50 HSX N24W0*
C
1

The top 1 solar flares from sunspot region 12864

Start Maximum End
1C2.42021/09/0823:4200:1000:33

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Space weather facts

Last X-flare2024/12/08X2.2
Last M-flare2024/12/21M1.9
Last geomagnetic storm2024/12/17Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
November 2024152.5 -13.9
December 2024100.9 -51.6
Last 30 days114.1 -42.1

This day in history*

Solar flares
11999M7.71
22013M4.82
32023M3.33
42013M2.8
51999M2.61
DstG
11982-101G3
22014-71G1
32001-59
41987-59
51989-58G1
*since 1994

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