Sunspot region AR13440

Number of
sunspots
Size Class Magn. Class Spot Location
2023/09/18 2 60 HSX N17E74
2023/09/19 2 70 CSO N17E60
2023/09/20 1 60 HSX N17E46
2023/09/21 1 60 HSX N17E33
2023/09/22 1 60 HSX N08E19
2023/09/23 1 60 HSX N18E07
2023/09/24 1 60 HSX N18W06
2023/09/25 1 70 HSX N18W19
2023/09/26 2 40 HSX N18W32
2023/09/27 1 30 HSX N18W45
2023/09/28 1 20 HRX N17W59
2023/09/29 1 10 AXX N18W72
2023/09/30 1 10 AXX N18W83
2023/10/01 1 10 AXX N18W99

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Space weather facts

Last X-flare2024/12/08X2.2
Last M-flare2024/12/22M1.1
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 days114 -43.9

This day in history*

Solar flares
12015M6.75
21998M3.34
32013M2.36
42013M1.97
52001M1.69
DstG
12002-67
22000-62G2
31989-60
42014-57
51982-53G1
*since 1994

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