Sunspot region AR11273

Number of
sunspots
Size Class Magn. Class Spot Location
2011/08/18 3 10 BXO S18W03
2011/08/19 4 10 BXO S18W09
2011/08/20 2 10 AXX S18W28

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Space weather facts

Last X-flare2024/05/15X2.9
Last M-flare2024/05/19M1.6
Last geomagnetic storm2024/05/17Kp6 (G2)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
April 2024136.5 +31.6
May 2024155.9 +19.4
Last 30 days163.2 +40.8

This day in history*

Solar flares
12004M3.73
22023M2.6
32002M2.14
41997M1.73
52023M1.4
ApG
1197348G3
2194845G2
3198444G2
4200329G2
5198329G2
*since 1994

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