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Sunspot region AR11817

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
5122

The top 10 solar flares from sunspot region 11817

Start Maximum End
1M2.182013/08/1210:2110:4110:47
2M1.212013/08/1121:4721:5822:11
3C9.662013/08/1121:2421:3121:38
4C5.112013/08/1416:5016:5517:11
5C3.132013/08/1909:1009:2009:23
6C3.052013/08/1119:2719:3220:03
7C2.922013/08/1114:1814:3414:49
8C2.262013/08/1422:4922:5523:02
9C2.162013/08/1410:1910:3711:39
10C2.142013/08/1417:4717:5317:58
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Last X-flare2024/11/06X2.39
Last M-flare2024/11/13M1.7
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024166 -0.4
Last 30 days163.2 +18.4

This day in history*

Solar flares
11999X1.15
21999M8.06
32005M5.58
41999M4.11
52005M3.72
DstG
11960-167G3
21998-109G2
32012-108G2
41989-105
51979-90G1
*since 1994

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