Sunspot region AR8164

Number of
sunspots
Size Class Magn. Class Spot Location
1998/02/24 4 20 BXO N17E14
1998/02/25 16 70 DAI N16E01
1998/02/26 19 130 DAO N17W12
1998/02/27 18 120 DAI N16W25
1998/02/28 15 90 DAO N17W37
1998/03/01 5 30 CRO N16W51
1998/03/02 4 60 CSO N15W66
1998/03/03 1 20 AXX N15W82
BC
41

The top 5 solar flares from sunspot region 8164

Start Maximum End
1C1.311998/02/2413:3113:4013:45
2B7.541998/02/2410:3910:4610:48
3B6.971998/02/2409:2509:3109:37
4B6.271998/02/2412:3512:3912:41
5B6.111998/02/2411:3011:5111:54

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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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