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Sunspot region AR11857

Number of
sunspots		 Size Class Magn. Class Spot Location
2013/10/03 1 70 HAX S06E66
2013/10/04 1 100 HSX S08E54
2013/10/05 4 100 CAO S07E41
2013/10/06 1 110 HSX S08E28
2013/10/07 1 110 HSX S08E14
2013/10/08 1 80 HSX S07E01
2013/10/09 1 90 HSX S08W11
2013/10/10 1 110 HSX S07W24
2013/10/11 1 100 HSX S08W37
2013/10/12 1 100 HSX S08W51
2013/10/13 1 80 HSX S08W65
2013/10/14 1 70 HSX S08W78
2013/10/15 1 30 HSX S07W90
2013/10/16 1 30 HSX S07W0*
BC
42

The top 6 solar flares from sunspot region 11857

Start Maximum End
1C2.572013/10/0319:4420:2320:49
2C1.192013/10/0600:1600:5101:03
3B9.782013/10/0920:2020:2720:32
4B8.162013/10/0210:4610:5211:01
5B7.332013/10/0504:3404:4104:48
6B6.492013/10/0420:5921:1021:16
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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
51970-110G2
*since 1994

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