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Sunspot region AR12346

Number of
sunspots		 Size Class Magn. Class Spot Location
2015/05/12 1 50 HSX S12E69
2015/05/13 1 50 HSX S07E55
2015/05/14 1 60 HSX S06E42
2015/05/15 7 50 CSO S08E28
2015/05/16 7 30 CAO S08E15
2015/05/17 5 20 CRO S08W00
2015/05/18 4 10 BXO S07W13
2015/05/21 4 10 BXO S06W55
2015/05/22 2 20 CRO S06W69
2015/05/23 2 10 BXO S05W82
2015/05/24 2 10 BXO S05W97
BC
21

The top 3 solar flares from sunspot region 12346

Start Maximum End
1C1.362015/05/2106:0106:1106:17
2B8.552015/05/2105:2205:3705:53
3B8.532015/05/2018:3118:3618:41
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Filaments and prominences 517AR 13901 108Incoming & Unnumbered Active Regions 1246Sunspot Latitudes at or near Solar Maximum 76The Rotations of AR 13780 and AR 13902 1
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Last X-flare2024/11/06X2.39
Last M-flare2024/11/20M1.1
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024142.7 -23.8
Last 30 days155.2 +4.4

This day in history*

Solar flares
12012M5.08
21999M4.93
31999M3.27
42000M2.33
52012M2.11
DstG
12003-309G3
21991-135G3
32002-128G3
41960-111G2
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*since 1994

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