Region 8541

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
1M1.11999/05/0900:3600:4700:58
2M1.01999/05/1622:2522:3322:37
3C6.21999/05/1717:0017:0717:13
4C4.21999/05/0814:0114:0814:14
5C2.81999/05/0902:5102:5703:03
6C2.11999/05/1120:3820:4120:45
7C2.01999/05/1109:2909:3509:44
8C1.91999/05/1012:5013:0813:14
9C1.71999/05/1015:4415:5716:01
10C1.61999/05/17B1:3113:1913:20

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/10/26Kp5 (G1)
Number of spotless days in 2019:244
Current stretch spotless days:17

This day in history*

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*since 1994

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