Sunspot region AR8542

Number of
sunspots
Size Class Magn. Class Spot Location
1999/05/13 1 30 HSX S19E58
1999/05/14 1 30 HSX S19E44
1999/05/15 1 70 HSX S19E32
1999/05/16 1 40 HSX S19E18
1999/05/17 1 30 HSX S19E06
1999/05/18 1 40 HSX S19W06
1999/05/19 1 30 HSX S19W20
1999/05/20 3 30 CSO S18W32
1999/05/21 1 30 HSX S18W45
1999/05/22 1 30 HSX S18W59
1999/05/23 1 30 HSX S20W72
1999/05/24 1 10 AXX S20W85

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Space weather facts

Last X-flare2024/11/06X2.39
Last M-flare2024/11/13M1.7
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024166 -0.4
Last 30 days163.2 +18.4

This day in history*

Solar flares
11999X1.15
21999M8.06
32005M5.58
41999M4.11
52005M3.72
DstG
11960-167G3
21998-109G2
32012-108G2
41989-105
51979-90G1
*since 1994

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