Sunspot region AR13391

Number of
sunspots
Size Class Magn. Class Spot Location
2023/07/29 1 30 HSX N25E75
2023/07/30 1 50 HSX N25E66
2023/07/31 2 130 HSX N25E49
2023/08/01 1 50 HSX N23E35
2023/08/02 2 80 CSO N24E26
2023/08/03 1 90 HSX N22E11
2023/08/04 2 90 HSX N24W02
2023/08/05 1 80 HSX N24W13
2023/08/06 1 80 HSX N23W27
2023/08/07 1 50 HSX N23W40
2023/08/08 1 40 HAX N23W53
2023/08/09 1 70 HSX N23W67
2023/08/10 1 40 HSX N21W78
2023/08/11 1 30 HSX N22W88
2023/08/12 1 30 HSX N22W0*

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Space weather facts

Last X-flare2024/09/14X4.54
Last M-flare2024/09/14M3.0
Last geomagnetic storm2024/09/17Kp8- (G4)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
August 2024215.5 +19
September 2024151.6 -63.9
Last 30 days159.7 -53.2

This day in history*

Solar flares
12000M7.33
22023M4.0
32004M2.82
42023M1.8
51999M1.38
DstG
11989-255G4
22023-85G2
32000-77G2
41977-76G2
51984-73G2
*since 1994

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