Sunspot region AR12818

Number of
sunspots
Size Class Magn. Class Spot Location
2021/04/20 1 90 HSX S17E66
2021/04/21 1 40 HSX S17E52
2021/04/22 1 50 HSX S17E39
2021/04/23 1 50 HSX S17E25
2021/04/24 1 40 HSX S16E10
2021/04/25 1 40 HSX S16W01
2021/04/26 1 40 HSX S16W14
2021/04/27 1 10 HSX S17W27
2021/04/28 1 10 HSX S17W41
2021/04/29 1 20 HSX S15W52
2021/04/30 1 20 HSX S16W67
2021/05/01 1 10 AXX S15W78
B
2

The top 2 solar flares from sunspot region 12818

Start Maximum End
1B1.92021/04/3004:0404:1704:33
2B1.42021/04/3004:4804:5505:02

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Space weather facts

Last X-flare2024/11/06X2.39
Last M-flare2024/11/13M1.0
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024175.7 +9.3
Last 30 days166.1 +21.7

This day in history*

Solar flares
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22012M4.14
32005M3.59
42012M3.56
52003M2.36
DstG
11960-339G5
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31989-121G1
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*since 1994

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