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Sunspot region AR12327

Number of
sunspots		 Size Class Magn. Class Spot Location
2015/04/18 3 140 CSO S10E70
2015/04/19 2 140 CSO S09E57
2015/04/20 5 140 CSO S09E44
2015/04/21 4 110 CSO S09E30
2015/04/22 3 90 HSX S10E17
2015/04/23 3 90 HSX S10E03
2015/04/24 1 90 HSX S08W10
2015/04/25 1 90 HSX S09W24
2015/04/26 2 80 HSX S10W37
2015/04/27 3 60 CSO S08W49
2015/04/28 2 40 CSO S08W63
2015/04/29 1 20 HSX S07W77
2015/04/30 1 20 HSX S07W77
2015/05/01 2 20 HSX S08W0*
BC
22

The top 4 solar flares from sunspot region 12327

Start Maximum End
1C3.252015/04/2207:0407:1107:18
2C1.392015/04/2916:2016:3416:52
3B9.082015/04/2617:4617:5117:56
4B8.852015/04/2613:1013:1413:21
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AR4087 106Unspecified geomagnetic activity 2427Incoming & Unnumbered Active Regions 1883AR4086 49AR 14079 170
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Last X-flare2025/05/14X2.7
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Last geomagnetic storm2025/05/03Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
April 2025140.6 +6.4
May 202574.9 -65.7
Last 30 days101.3 -25.6

This day in history*

Solar flares
12024X3.48
22024X2.99
32013X1.85
42000M6.36
52005M5.05
DstG
12005-247G4
21969-121G4
31997-115G3
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52002-65
*since 1994

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