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Sunspot region AR12271

Number of
sunspots		 Size Class Magn. Class Spot Location
2015/01/26 9 40 CAO N18E09
2015/01/27 10 60 DAI N17W04
2015/01/28 10 120 DAI N18W18
2015/01/29 10 110 DAI N18W30
2015/01/30 20 170 DAC N17W44
2015/01/31 13 230 DAC N17W58
2015/02/01 6 220 EAO N17W70
2015/02/02 3 180 EAO N18W84
2015/02/03 2 30 HAX N17W97
C
5

The top 5 solar flares from sunspot region 12271

Start Maximum End
1C2.782015/01/2909:1809:2209:29
2C2.542015/01/2606:0806:2706:49
3C1.692015/01/3020:1820:2120:24
4C1.592015/01/2605:0705:3505:54
5C1.362015/01/3100:2700:3000:33
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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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