Sunspot region AR8729

Number of
sunspots
Size Class Magn. Class Spot Location
1999/10/10 8 40 CRO N11E67
1999/10/11 14 60 BXO N12E58
1999/10/12 14 30 BXO N12E44
1999/10/13 16 90 FAO N12E30
1999/10/14 30 110 CRO N11E17
1999/10/15 15 30 CAO N12E03
1999/10/16 8 20 CAO N12W12
1999/10/17 9 20 BXO N13W25
1999/10/18 3 10 BXO N14W41
1999/10/19 1 0 AXX N16W49

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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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