Sunspot region AR8475

Number of
sunspots
Size Class Magn. Class Spot Location
1999/02/28 5 10 BXO N32E43
1999/03/01 10 30 CAO N32E29
1999/03/02 17 120 DAO N32E15
1999/03/03 15 150 DAO N31E02
1999/03/04 17 140 EAO N31W11
1999/03/05 14 100 EAO N32W23
1999/03/06 9 50 CRO N31W37
1999/03/07 3 20 BXO N30W51
C
2

The top 2 solar flares from sunspot region 8475

Start Maximum End
1C4.391999/03/0323:3323:4323:50
2C3.871999/03/0623:0523:2323:54

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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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