Sunspot region AR11311

Number of
sunspots
Size Class Magn. Class Spot Location
2011/10/05 12 70 DAI S12E20
2011/10/06 6 110 DSO S11E07
2011/10/07 3 60 CSO S12W07
2011/10/08 2 50 CSO S11W22
2011/10/09 1 50 HSX S13W36
2011/10/10 1 40 HSX S11W50
2011/10/11 1 40 HSX S12W63
2011/10/12 1 30 HSX S12W77

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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/22M1.3
Last geomagnetic storm2025/04/21Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2025134.2 -20.4
April 2025122.8 -11.4
Last 30 days117.7 -15.6

This day in history*

Solar flares
12014X1.99
22001M3.98
32004M3.25
42003M1.84
52024M1.3
DstG
11979-149G4
21989-108G2
31960-97G3
41982-78G3
51984-71G2
*since 1994

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