Sunspot region AR11918

Number of
sunspots
Size Class Magn. Class Spot Location
2013/12/09 3 60 HAX S09E76
2013/12/10 4 110 DAO S08E63
2013/12/11 8 170 DAO S09E51
2013/12/12 7 160 DAO S09E38
2013/12/13 13 180 DAO S08E25
2013/12/14 11 180 DAO S09E11
2013/12/15 8 180 DAO S10W02
2013/12/16 11 170 CAO S10W15
2013/12/17 6 90 CAO S10W29
2013/12/18 6 90 CAO S10W29
2013/12/19 1 50 HAX S09W55
2013/12/20 3 10 AXX S10W70

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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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