Sunspot region AR8558

Number of
sunspots
Size Class Magn. Class Spot Location
1999/05/29 1 20 HRX N14E68
1999/05/30 12 120 DSI N16E56
1999/05/31 29 300 DAI N16E43
1999/06/01 19 410 DSO N16E30
1999/06/02 21 570 DKI N15E18
1999/06/03 23 600 DKI N15E04
1999/06/04 23 600 DKI N16W09
1999/06/05 24 390 DKI N16W22
1999/06/06 23 330 DAI N16W35
1999/06/07 17 210 DSO N16W49
1999/06/08 9 180 DAO N16W62
1999/06/09 4 120 DAO N15W76
1999/06/10 2 80 CAO N15W92
C
1

The top 1 solar flares from sunspot region 8558

Start Maximum End
1C1.761999/05/3019:1219:1619:21

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Last X-flare2024/11/06X2.39
Last M-flare2024/11/13M1.7
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024166 -0.4
Last 30 days163.2 +18.4

This day in history*

Solar flares
11999X1.15
21999M8.06
32005M5.58
41999M4.11
52005M3.72
DstG
11960-167G3
21998-109G2
32012-108G2
41989-105
51979-90G1
*since 1994

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