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-flare2024/12/08X2.2
Last M-flare2024/12/24M1.0
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 days116.5 -41.7

This day in history*

Solar flares
12011M5.77
21998M1.83
32001M1.76
42001M1.41
52011M1.22
DstG
11988-85
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31978-57G2
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*since 1994

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