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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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AR4455 68AR4458 3AR4446 (including AR4448/4449) 49Incoming & Unnumbered Active Regions 450Filaments and prominences 560
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Space weather facts

Last X-flare2026/04/24X2.5
Last M-flare2026/06/02M3.3
Last geomagnetic storm2026/05/16Kp6- (G2)
Spotless days
Last 365 days3 days
20263 days (2%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
April 202679.3 -6.6
June 2026146 +66.7
Last 30 days96.6 +4

This day in history*

Solar flares
12007X1
22000M8.81
32007M6.56
42024M4.81
52012M4.79
DstG
12025-107G3
21991-50
32012-49G2
41989-49
51971-43G1
*since 1994

Aurora on this day in history

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