Sunspot region AR11280

Number of
sunspots
Size Class Magn. Class Spot Location
2011/08/27 3 30 CRO N17E24
2011/08/28 3 20 CRO N17E10
2011/08/29 2 10 BXO N17W03
2011/08/30 2 10 BXO N16W16
2011/09/01 2 10 CRO N12W37
2011/09/02 4 30 CSO N12W53
2011/09/03 5 80 CSO N11W66
2011/09/04 5 10 BXO N12W78
2011/09/05 2 10 BXO N13W91

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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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