Sunspot region AR11740

Number of
sunspots
Size Class Magn. Class Spot Location
2013/05/04 1 30 HSX S20E64
2013/05/05 1 20 HRX S21E50
2013/05/06 3 20 CAO S21E36
2013/05/07 2 10 HSX S21E22
2013/05/08 2 10 AXX S21E08
2013/05/10 4 10 BXO S21W15
2013/05/11 1 10 AXX S21W26
2013/05/12 1 10 AXX S21W39
2013/05/13 1 10 AXX S21W39
C
1

The top 1 solar flares from sunspot region 11740

Start Maximum End
1C1.42013/05/0601:4101:4601:51

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Last X-flare2024/12/08X2.2
Last M-flare2024/12/22M1.0
Last geomagnetic storm2024/12/17Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
November 2024152.5 -13.9
December 2024103.3 -49.2
Last 30 days115.4 -40.8

This day in history*

Solar flares
11999M7.71
22013M4.82
32023M3.33
42013M2.8
51999M2.61
DstG
11982-101G3
22014-71G1
32001-59
41987-59
51989-58G1
*since 1994

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