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Sunspot region AR14257

Number of
sunspots		 Size Class Magn. Class Spot Location
2025/10/17 1 60 HSX S08E75
2025/10/18 2 150 HSX S08E61
2025/10/19 4 210 CAO S10E46
2025/10/20 3 110 DSO S11E36
2025/10/21 2 70 CSO S10E23
2025/10/22 1 80 HSX S10E10
2025/10/23 1 60 HSX S09W06
2025/10/24 2 60 HSX S09W20
2025/10/25 1 60 HSX S09W33
2025/10/26 1 70 HSX S08W47
2025/10/27 1 60 HSX S09W60
2025/10/28 1 40 HSX S09W73
2025/10/29 1 30 HSX S10W87
2025/10/30 1 30 HSX S09W0*
C
2

The top 2 solar flares from sunspot region 14257

Start Maximum End
1C4.42025/10/2200:1900:3400:51
2C3.02025/10/2015:1415:4516:23
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Incoming & Unnumbered Active Regions 135CH 17 7Broad-spectrum aurora pillars 30AR 4357 1Filaments and prominences 480
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Space weather facts

Last X-flare2026/01/18X1.9
Last M-flare2026/01/21M3.4
Last geomagnetic storm2026/01/28Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
December 2025124 +32.2
January 2026119.3 -4.7
Last 30 days119.6 +1.6

This day in history*

Solar flares
12024M6.83
22015M3.03
32015M1.21
42024M1.2
52015M1.18
DstG
11985-89G2
21957-87G1
31980-69G1
41971-68G1
52003-63
*since 1994

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