Sunspot region AR12391

Number of
sunspots
Size Class Magn. Class Spot Location
2015/07/28 1 40 HSX N05E71
2015/07/29 1 50 HSX N07E56
2015/07/30 1 60 HSX N06E44
2015/07/31 2 60 HAX N06E31
2015/08/01 1 50 HAX N07E17
2015/08/02 3 20 HAX N06E03
2015/08/03 1 10 AXX N07W10
2015/08/04 1 1 AXX N06W23
2015/08/05 1 10 AXX N07W32
B
1

The top 1 solar flares from sunspot region 12391

Start Maximum End
1B7.382015/08/0305:3705:4805:56

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Last X-flare2024/03/28X1.1
Last M-flare2024/04/29M3.6
Last geomagnetic storm2024/04/26Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2024104.9 -19.8
Last 30 days139 +32.6

This day in history*

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*since 1994

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