Sunspot region AR8488

Number of
sunspots
Size Class Magn. Class Spot Location
1999/03/15 4 20 CSO S27E37
1999/03/16 3 0 BXO S26E22
1999/03/17 3 20 CSO S26E09
1999/03/18 8 40 CSO S26W04
1999/03/19 18 110 DSO S26W17
1999/03/20 14 90 DAO S27W30
1999/03/21 6 30 CSO S26W44
1999/03/22 2 10 AXX S26W58
1999/03/23 2 0 AXX S26W72

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Space weather facts

Last X-flare2025/12/08X1.1
Last M-flare2025/12/12M1.1
Last geomagnetic storm2025/12/12Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
November 202591.8 -22.8
December 2025131.8 +40
Last 30 days109.8 +17.3

This day in history*

Solar flares
11998X1.15
22014M9.92
32002M3.54
41999M2.19
51999M1.36
DstG
11971-120G1
21958-111G3
31978-78G2
41988-77G1
51962-76G2
*since 1994

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