Sunspot region AR8544

Number of
sunspots
Size Class Magn. Class Spot Location
1999/05/15 3 10 BXO S20E60
1999/05/16 12 90 DAO S21E48
1999/05/17 15 160 DAO S20E34
1999/05/18 16 180 EAO S20E20
1999/05/19 19 150 EAO S20E06
1999/05/20 23 130 EAO S19W07
1999/05/21 28 140 EAO S20W20
1999/05/22 20 170 EAI S19W35
1999/05/23 14 190 ESO S21W47
1999/05/24 9 150 FSO S22W59
1999/05/25 7 160 FAO S20W72
1999/05/26 2 70 CAO S22W80
1999/05/27 1 60 HAX S22W93
BC
11

The top 2 solar flares from sunspot region 8544

Start Maximum End
1C1.391999/05/2618:5719:0119:06
2B9.791999/05/1509:1609:2109:26

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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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