Sunspot region AR8537

Number of
sunspots
Size Class Magn. Class Spot Location
1999/05/08 9 40 CSO N19W60
1999/05/09 7 230 EAO N19W73
1999/05/10 4 170 DAO N20W88
CX
51

The top 6 solar flares from sunspot region 8537

Start Maximum End
1X1.11999/05/0917:5318:0718:15
2C7.311999/05/0916:0616:1216:19
3C6.611999/05/0801:5502:0302:11
4C5.361999/05/0805:0505:1505:18
5C4.81999/05/0801:0001:1201:23
6C3.11999/05/0819:4519:4819:51

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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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