Sunspot region AR10021

Number of
sunspots
Size Class Magn. Class Spot Location
2002/07/04 3 10 CRO S29E06
2002/07/05 8 40 DSO S29W08
2002/07/06 9 70 DAO S29W21
2002/07/07 11 90 DSO S29W34
2002/07/08 10 80 DAO S29W46
2002/07/09 9 80 DAO S29W60
2002/07/10 4 60 DAO S28W72
2002/07/11 1 30 HAX S28W87
C
3

The top 3 solar flares from sunspot region 10021

Start Maximum End
1C5.192002/07/0520:4720:5120:56
2C2.942002/07/0520:2520:3020:41
3C2.762002/07/0521:5022:1022:25

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Space weather facts

Last X-flare2024/11/06X2.39
Last M-flare2024/11/20M1.1
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024142.9 -23.5
Last 30 days155.8 +4.5

This day in history*

Solar flares
11998X5.37
21998X3.59
32001X1.41
42001M5.51
51998M2.7
DstG
11991-139G2
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*since 1994

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