Region 11817

Number of
sunspots
Size Class Magn. Class Spot Location
2013/08/11 3 10 CRO S22E34
2013/08/12 12 50 DAO S22E22
2013/08/13 23 180 DAC S23E07
2013/08/14 22 240 ESC S21W04
2013/08/15 22 220 ESC S21W17
2013/08/16 22 260 EKC S21W31
2013/08/17 13 140 EAI S21W44
2013/08/18 8 150 ESO S21W57
2013/08/19 6 140 CAO S21W70
2013/08/20 3 60 CSO S19W88
2013/08/21 3 60 CSO S19W0*
BCM
5131

The top 10 solar flares from sunspot region 11817

Start Maximum End
1M1.52013/08/1210:2110:4110:47
2C8.42013/08/1121:4721:5822:11
3C6.72013/08/1121:2421:3121:38
4C3.62013/08/1416:5016:5517:11
5C2.22013/08/1909:1009:2009:23
6C2.12013/08/1119:2719:3220:03
7C2.02013/08/1114:1814:3414:49
8C1.62013/08/1422:4922:5523:02
9C1.52013/08/1417:4717:5317:58
10C1.52013/08/1410:1910:3711:39

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48%

Space weather facts

Last X-flare2017/09/10X8.2
Last M-flare2020/05/29M1.1
Last geomagnetic storm2020/04/20Kp5 (G1)
Spotless days
Last 365 days318 days
2020125 days (81%)
Last spotless day2020/06/02

This day in history*

Solar flares
12007M8.9
21999M3.9
32000M3.2
42001M2.4
52001M1.7
ApG
1200522G2
2200322
3199419
4201216
5201014G1
*since 1994

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