Sunspot region AR8511

Number of
sunspots
Size Class Magn. Class Spot Location
1999/04/07 6 100 DAO S17E59
1999/04/08 5 130 DAO S17E46
1999/04/09 5 110 DAO S17E33
1999/04/10 4 100 DSO S17E21
1999/04/11 6 110 DAO S16E07
1999/04/12 4 120 DAO S17W05
1999/04/13 5 80 DSO S16W19
1999/04/14 3 20 CSO S16W33
1999/04/15 2 20 HSX S20W49
1999/04/16 1 0 AXX S17W61

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Space weather facts

Last X-flare2024/12/08X2.2
Last M-flare2024/12/24M1.0
Last geomagnetic storm2024/12/17Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
November 2024152.5 -13.9
December 2024110.7 -41.8
Last 30 days116.5 -41.7

This day in history*

Solar flares
12011M5.77
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52011M1.22
DstG
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*since 1994

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