Sunspot region AR8460

Number of
sunspots
Size Class Magn. Class Spot Location
1999/02/11 1 50 HSX S17E70
1999/02/12 3 100 ESO S17E61
1999/02/13 5 50 CSO S16E50
1999/02/14 4 30 HSX S16E30
1999/02/15 9 30 CSO S17E17
1999/02/16 5 50 CSO S17E04
1999/02/17 3 20 CSO S18W10
1999/02/18 3 20 DAO S17W22
1999/02/19 5 10 BXO S17W35

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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/22M1.3
Last geomagnetic storm2025/04/21Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2025134.2 -20.4
April 2025121.5 -12.7
Last 30 days114.6 -22.2

This day in history*

Solar flares
12003M4.84
22001M4.48
32001M3.35
42001M3.06
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DstG
12023-213G4
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*since 1994

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