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Sunspot region AR11912

Number of
sunspots		 Size Class Magn. Class Spot Location
2013/12/03 1 80 HSX S21E66
2013/12/04 1 120 HSX S21E53
2013/12/05 1 110 HSX S21E40
2013/12/06 1 110 HSX S21E26
2013/12/07 1 130 CAO S21E17
2013/12/08 1 120 HSX S21E01
2013/12/09 1 120 HSX S21W12
2013/12/10 2 110 HSX S21W24
2013/12/11 1 80 HSX S21W38
2013/12/12 1 80 HSX S21W52
2013/12/13 1 80 HSX S21W64
2013/12/14 1 60 HSX S21W79
2013/12/16 1 60 HSX S21W0*
C
1

The top 1 solar flares from sunspot region 11912

Start Maximum End
1C6.642013/12/1203:1103:3603:58
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AR 13905 39AR13906 11Coronal mass ejection impact and G4 geomagnetic storm 10 & 11 October 2024 928Unspecified geomagnetic activity 1664Comment limitation 9
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Space weather facts

Last X-flare2024/11/06X2.39
Last M-flare2024/11/23M1.1
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024144.7 -21.7
Last 30 days158.6 +10.8

This day in history*

Solar flares
12000X3.4
22000X2.87
32000X2.71
41998X1.54
51999M4.33
DstG
12001-221G4
21982-197G3
31986-86G2
41981-66
51991-65
*since 1994

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