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-flare2024/03/28X1.1
Last M-flare2024/04/27M3.0
Last geomagnetic storm2024/04/26Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2024104.9 -19.8
Last 30 days137.7 +30.3

This day in history*

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12001M1.01
22024C8.3
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52023C7.1
ApG
11937128G4
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*since 1994

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