Sunspot region AR8459

Number of
sunspots
Size Class Magn. Class Spot Location
1999/02/09 1 0 AXX S29E48
1999/02/10 2 0 AXX S30E39
1999/02/15 6 70 DRO S30W30
1999/02/16 9 90 DRO S30W43
1999/02/17 7 90 DAO S30W57
1999/02/18 6 140 DAO S30W69
1999/02/19 6 120 DAO S29W80
1999/02/20 9 130 DAO S28W94
C
2

The top 2 solar flares from sunspot region 8459

Start Maximum End
1C4.671999/02/1900:4800:5401:11
2C2.061999/02/1816:0116:0516:12

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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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