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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Last X-flare2026/02/04X4.3
Last M-flare2026/02/11M1.3
Last geomagnetic storm2026/02/05Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
January 2026112.6 -11.4
February 2026132.1 +19.5
Last 30 days130.2 +30.2

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