Region 11818

Number of
sunspots
Size Class Magn. Class Spot Location
2013/08/11 1 20 HRX S07E58
2013/08/12 9 60 DAO S08E47
2013/08/13 8 120 DSI S07E34
2013/08/14 17 340 DHC S07E21
2013/08/15 15 270 DHC S07E07
2013/08/16 15 300 DKI S07W07
2013/08/17 16 330 DKI S07W19
2013/08/18 13 300 DKO S07W33
2013/08/19 7 260 CKO S06W47
2013/08/20 3 250 HKX S04W61
2013/08/21 2 210 HAX S05W76
2013/08/22 1 150 HSX S06W91
2013/08/23 1 150 HSX S06W0*
BCM
6112

The top 10 solar flares from sunspot region 11818

Start Maximum End
1M3.32013/08/1718:1618:2418:35
2M1.42013/08/1718:4919:3319:54
3C2.62013/08/1613:1113:1813:22
4C2.42013/08/2213:1613:2513:38
5C2.12013/08/1517:4817:5618:04
6C1.82013/08/2001:2501:2901:32
7C1.62013/08/2009:5710:0010:02
8C1.52013/08/1315:4915:5315:56
9C1.32013/08/1703:2503:3003:36
10C1.32013/08/1612:3912:4712:50

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/09/28Kp5 (G1)
Number of spotless days in 2019:212
Current stretch spotless days:15

This day in history*

Solar flares
12015M1.5
22013M1.2
32001M1.1
42015M1.1
51998C9.1
ApG
1200332G2
2199921G1
3201620
4200514
5200213
*since 1994

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