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Sunspot region AR13974

Number of
sunspots		 Size Class Magn. Class Spot Location
2025/01/26 2 70 HAX S18E72
2025/01/27 12 90 CAO S18E58
2025/01/28 13 90 DAI S17E47
2025/01/29 15 90 DAC S17E34
2025/01/30 15 120 DAC S17E20
2025/01/31 9 110 CAO S17E06
2025/02/01 9 110 CAO S17W08
2025/02/02 9 90 CAO S17W22
2025/02/03 9 10 BXO S17W34
2025/02/04 2 10 BXO S17W48
2025/02/05 2 10 AXX S17W61
2025/02/06 1 10 AXX S17W74
2025/02/07 1 10 AXX S15W81
2025/02/08 1 10 AXX S15W0*
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CMEs from 2025/10/03 50Incoming & Unnumbered Active Regions 2109Comet C/2025 A6 (Lemmon) 72Coronal Hole 85 2Unspecified geomagnetic activity 3204
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Space weather facts

Last X-flare2025/06/19X1.9
Last M-flare2025/10/03M1.2
Last geomagnetic storm2025/10/03Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
September 2025129.8 -3.7
October 2025140.1 +10.3
Last 30 days131.3 -1.2

This day in history*

Solar flares
12012M3.35
22024M1.2
31999C9.19
42024C8.0
52023C6.6
DstG
12024-153G3
21960-112G1
32002-108G2
42012-99G2
52015-97G2
*since 1994

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