Sunspot region AR8617

Number of
sunspots
Size Class Magn. Class Spot Location
1999/07/03 6 10 BXO N14W28
1999/07/04 12 100 DAO N14W42
1999/07/05 14 190 DAO N14W57
1999/07/06 6 150 DAO N12W69
1999/07/07 5 100 DAO N13W82
1999/07/08 3 90 DAO N14W94
M
1

The top 1 solar flares from sunspot region 8617

Start Maximum End
1M1.11999/07/0501:2001:3101:46

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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 2024142.7 -23.8
Last 30 days156.1 +4.7

This day in history*

Solar flares
11998X5.37
21998X3.59
32001X1.41
42001M5.51
51998M2.7
DstG
11991-139G2
21982-114G2
31975-97G2
42003-87G2
51960-76G2
*since 1994

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