Sunspot region AR8422

Number of
sunspots
Size Class Magn. Class Spot Location
1998/12/25 5 70 CAO S23E75
1998/12/26 4 130 DSO S26E68
1998/12/27 8 160 DSO S23E51
1998/12/28 16 190 DAO S23E38
1998/12/29 19 180 DAO S23E26
1998/12/30 14 120 CSO S23E13
1998/12/31 17 130 CSO S23W01
1999/01/01 8 120 CAO S23W15
1999/01/02 6 90 CAO S24W26
1999/01/03 2 90 HSX S22W41
1999/01/04 4 80 CSO S23W52
1999/01/05 1 70 HSX S22W67
1999/01/06 1 70 HAX S22W80
1999/01/07 1 60 HAX S22W90
CM
21

The top 3 solar flares from sunspot region 8422

Start Maximum End
1M1.121998/12/2605:5505:5906:01
2C8.931999/01/0314:4915:1415:52
3C4.51998/12/2814:5415:0515:20

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Last X-flare2024/10/31X2.0
Last M-flare2024/11/05M2.6
Last geomagnetic storm2024/10/12Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
September 2024141.4 -74.1
November 2024215.8 +74.4
Last 30 days161.1 +7.2

This day in history*

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DstG
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*since 1994

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