Sunspot region AR8571

Number of
sunspots
Size Class Magn. Class Spot Location
1999/06/06 3 30 HRX S19E60
1999/06/07 11 150 CAO S19E48
1999/06/08 10 230 CAO S19E36
1999/06/09 15 210 DAO S19E23
1999/06/10 13 130 DSO S19E09
1999/06/11 8 50 CSO S20W05
1999/06/12 3 40 CSO S19W17
1999/06/13 4 30 CSO S19W31
1999/06/14 4 20 CSO S19W44
1999/06/15 1 0 AXX S20W57
1999/06/16 1 0 AXX S20W71
1999/06/17 1 0 AXX S18W84

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Space weather facts

Last X-flare2024/12/08X2.2
Last M-flare2024/12/24M4.1
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 days117.3 -41.4

This day in history*

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*since 1994

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