Sunspot region AR8580

Number of
sunspots
Size Class Magn. Class Spot Location
1999/06/10 2 240 HAX S19E67
1999/06/11 4 260 HKX S19E54
1999/06/12 2 300 HKX S20E42
1999/06/13 2 250 HKX S20E28
1999/06/14 6 270 CKO S20E15
1999/06/15 7 230 CAO S20E02
1999/06/16 10 230 CAO S21W11
1999/06/17 6 230 CAO S20W24
1999/06/18 8 270 CAO S21W37
1999/06/19 2 220 HSX S21W51
1999/06/20 1 180 HSX S21W63
1999/06/21 1 170 HSX S20W76
1999/06/22 1 40 HSX S21W94

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Space weather facts

Last X-flare2024/12/08X2.2
Last M-flare2024/12/25M4.9
Last geomagnetic storm2024/12/17Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
November 2024152.5 -13.9
December 2024115.2 -37.3
Last 30 days120.1 -38.2

This day in history*

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*since 1994

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