Sunspot region AR8463

Number of
sunspots
Size Class Magn. Class Spot Location
1999/02/13 1 40 HSX S16E59
1999/02/14 1 70 HSX S15E45
1999/02/15 1 60 HSX S16E33
1999/02/16 2 80 HSX S16E20
1999/02/17 1 70 HSX S17E06
1999/02/18 1 70 HSX S17W07
1999/02/19 1 50 HSX S17W19
1999/02/20 1 50 HSX S18W33
1999/02/21 1 40 HSX S17W46
1999/02/22 2 40 CSO S17W62
1999/02/23 1 10 HRX S17W72

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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/01M2.4
Last geomagnetic storm2025/03/27Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
February 2025154.6 +17.6
April 2025147 -7.6
Last 30 days128.8 -21.8

This day in history*

Solar flares
12001X28.5
22001X2.01
32001X1.59
42014M9.35
52017M8.22
DstG
11960-272G3
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*since 1994

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