Sunspot region AR8778

Number of
sunspots
Size Class Magn. Class Spot Location
1999/11/22 2 10 BXO S14E62
1999/11/23 2 10 AXX S12E48
1999/11/24 4 40 CAO S16E36
1999/11/25 16 80 CAO S15E23
1999/11/26 26 90 DSO S14E10
1999/11/27 29 140 EAO S14W05
1999/11/28 36 180 EAI S14W19
1999/11/29 31 200 EAI S14W33
1999/11/30 19 160 FAI S14W47
1999/12/01 13 130 CAO S14W62
1999/12/02 7 160 CAO S15W78
1999/12/03 5 180 CAO S12W91
CM
153

The top 10 solar flares from sunspot region 8778

Start Maximum End
1M8.641999/11/2613:3813:4314:08
2M3.231999/11/2421:5221:5621:58
3M1.421999/11/2704:5005:0805:43
4C8.611999/11/2904:3404:3804:42
5C8.061999/11/2704:5204:5705:08
6C7.51999/11/2506:4106:4806:50
7C6.161999/11/2908:4508:5209:05
8C5.611999/11/2606:5707:0507:25
9C5.071999/11/2219:4019:5019:55
10C4.611999/11/2508:2208:2608:28

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Last X-flare2025/06/19X1.9
Last M-flare2025/10/03M1.2
Last geomagnetic storm2025/10/03Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
September 2025129.8 -3.7
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Last 30 days131.3 -1.2

This day in history*

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*since 1994

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