Sunspot region AR8397

Number of
sunspots
Size Class Magn. Class Spot Location
1998/11/30 4 130 DSO N15E70
1998/12/01 9 300 FKO N15E64
1998/12/02 8 310 EAO N14E46
1998/12/03 10 240 EAO N15E32
1998/12/04 7 200 EAO N14E19
1998/12/05 8 260 CHO N14E06
1998/12/06 1 210 HAX N15W08
1998/12/07 3 210 HAX N16W24
1998/12/08 6 190 CAO N16W36
1998/12/09 2 150 HSX N16W50
1998/12/10 2 120 HSX N16W63
1998/12/11 2 80 HAX N16W76
1998/12/12 1 70 HAX N16W89
C
4

The top 4 solar flares from sunspot region 8397

Start Maximum End
1C5.131998/11/3022:5123:0123:12
2C1.961998/12/0116:2016:2616:30
3C1.771998/12/0616:0016:1216:35
4C1.511998/12/0304:3404:3804:44

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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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