Sunspot region AR8657

Number of
sunspots
Size Class Magn. Class Spot Location
1999/08/03 1 40 HSX S32E71
1999/08/04 1 60 HAX S31E56
1999/08/05 6 140 CSO S30E43
1999/08/06 11 90 CSO S30E28
1999/08/07 11 100 DSO S30E16
1999/08/08 11 130 DSO S30E04
1999/08/09 7 90 DSO S31W09
1999/08/10 5 100 DAO S30W22
1999/08/11 2 60 CSO S31W35
1999/08/12 2 60 CSO S31W48
1999/08/13 1 60 HSX S28W56
1999/08/14 1 70 HSX S30W68
1999/08/15 1 20 HSX S31W85
C
2

The top 2 solar flares from sunspot region 8657

Start Maximum End
1C1.761999/08/0814:2314:2614:31
2C1.711999/08/1014:2814:3214:49

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Space weather facts

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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