Sunspot region AR8518

Number of
sunspots
Size Class Magn. Class Spot Location
1999/04/18 2 60 HAX S16E66
1999/04/19 4 80 HAX S14E53
1999/04/20 11 100 CAO S14E40
1999/04/21 16 160 DAO S15E29
1999/04/22 17 160 DAO S15E15
1999/04/23 18 170 EAO S15E04
1999/04/24 18 160 DAO S14W10
1999/04/25 9 120 CAO S14W23
1999/04/26 8 80 CAO S13W38
1999/04/27 2 90 HSX S13W51
1999/04/28 1 70 HSX S13W64
1999/04/29 1 70 HSX S13W76
1999/04/30 1 60 HSX S13W93
C
1

The top 1 solar flares from sunspot region 8518

Start Maximum End
1C1.41999/04/2001:4201:4601:48

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Last X-flare2025/03/28X1.1
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Last geomagnetic storm2025/03/27Kp5 (G1)
Spotless days
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Monthly mean Sunspot Number
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April 2025147 -7.6
Last 30 days129.8 -18.9

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*since 1994

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