Sunspot region AR8431

Number of
sunspots
Size Class Magn. Class Spot Location
1999/01/05 1 10 AXX S28E69
1999/01/06 1 30 HSX S28E56
1999/01/07 3 30 CRO S28E43
1999/01/08 4 30 BXO S28E31
1999/01/09 7 10 BXO S28E19
1999/01/10 6 40 DSO S28E06
1999/01/11 5 40 CAO S28W07
1999/01/12 2 10 AXX S28W19
1999/01/13 1 20 HAX S27W32
C
4

The top 4 solar flares from sunspot region 8431

Start Maximum End
1C5.311999/01/0809:5110:2211:10
2C21999/01/0613:3413:4113:52
3C1.761999/01/0613:0913:3113:33
4C1.461999/01/1002:4102:5903:08

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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*

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*since 1994

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