Sunspot region AR8578

Number of
sunspots
Size Class Magn. Class Spot Location
1999/06/09 5 20 CRO N19E04
1999/06/10 10 70 DAO N19W09
1999/06/11 14 150 DAO N19W23
1999/06/12 8 130 DSO N19W37
1999/06/13 8 110 DSO N20W49
1999/06/14 7 140 CAO N20W62
1999/06/15 5 120 CAO N21W73
1999/06/16 1 90 HAX N20W85
1999/06/17 1 40 HAX N22W99
C
1

The top 1 solar flares from sunspot region 8578

Start Maximum End
1C1.81999/06/0900:0700:1700:31

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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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