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-flare2024/11/06X2.39
Last M-flare2024/11/20M1.1
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024142.7 -23.8
Last 30 days156.1 +4.7

This day in history*

Solar flares
11998X5.37
21998X3.59
32001X1.41
42001M5.51
51998M2.7
DstG
11991-139G2
21982-114G2
31975-97G2
42003-87G2
51960-76G2
*since 1994

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