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Sunspot region AR11837

Number of
sunspots		 Size Class Magn. Class Spot Location
2013/09/03 9 50 DSO S16W19
2013/09/04 13 100 DSI S16W32
2013/09/05 21 120 DSO S15W47
2013/09/06 9 130 DSI S16W61
2013/09/07 5 110 DAO S16W73
2013/09/08 2 50 HAX S17W88
2013/09/09 2 50 HAX S17W0*
BC
39

The top 10 solar flares from sunspot region 11837

Start Maximum End
1C5.22013/09/0404:1304:2804:31
2C4.222013/09/0405:3505:4005:49
3C3.712013/09/0408:3608:4109:02
4C1.692013/09/0407:2807:3307:37
5C1.62013/09/0407:1907:2307:27
6C1.532013/09/0402:4402:5102:59
7C1.272013/09/0408:1708:2108:26
8C1.222013/09/0410:1310:1710:22
9C1.152013/09/0703:5704:0104:09
10B9.92013/09/0412:1212:1512:18
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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
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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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