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Sunspot region AR12356

Number of
sunspots		 Size Class Magn. Class Spot Location
2015/05/29 1 60 HAX S15E61
2015/05/30 1 60 HSX S15E47
2015/05/31 3 70 CSO S16E34
2015/06/01 3 60 CAO S16E20
2015/06/02 2 50 HAX S16E07
2015/06/03 3 60 CAO S16W07
2015/06/04 1 50 HAX S16W20
2015/06/05 1 50 HAX S15W33
2015/06/06 3 70 HSX S16W46
2015/06/07 1 70 HSX S16W59
2015/06/08 1 70 HSX S16W72
2015/06/09 1 30 HSX S16W86
2015/06/10 1 30 HSX S16W0*
B
2

The top 2 solar flares from sunspot region 12356

Start Maximum End
1B4.342015/05/3005:4405:4905:54
2B4.242015/05/3006:4406:5707:06
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Filaments and prominences 532AR 13901 111Strong far side CME 225AR 13903 1Incoming & Unnumbered Active Regions 1246
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Last X-flare2024/11/06X2.39
Last M-flare2024/11/20M1.1
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024142.7 -23.8
Last 30 days156.1 +4.7

This day in history*

Solar flares
11998X5.37
21998X3.59
32001X1.41
42001M5.51
51998M2.7
DstG
11991-139G2
21982-114G2
31975-97G2
42003-87G2
51960-76G2
*since 1994

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