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Sunspot region AR8541

Number of
sunspots		 Size Class Magn. Class Spot Location
1999/05/09 9 130 ESO N22E67
1999/05/10 20 190 EAI N22E53
1999/05/11 24 230 EAI N22E38
1999/05/12 23 170 FAC N22E25
1999/05/13 22 130 ESO N21E13
1999/05/14 18 90 ESO N21W01
1999/05/15 15 80 ESO N21W14
1999/05/16 27 100 ESO N21W26
1999/05/17 19 130 EAO N20W39
1999/05/18 15 230 EAO N21W53
1999/05/19 11 180 DAO N20W65
1999/05/20 5 90 DAO N21W78
CM
122

The top 10 solar flares from sunspot region 8541

Start Maximum End
1M1.641999/05/0900:3600:4700:58
2M1.461999/05/1622:2522:3322:37
3C8.911999/05/1717:0017:0717:13
4C6.061999/05/0814:0114:0814:14
5C4.11999/05/0902:5102:5703:03
6C3.111999/05/1120:3820:4120:45
7C2.971999/05/1109:2909:3509:44
8C2.771999/05/1012:5013:0813:14
9C2.471999/05/1015:4415:5716:01
10C2.361999/05/1720:0120:1620:21
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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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