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Sunspot region AR12877

Number of
sunspots		 Size Class Magn. Class Spot Location
2021/09/26 4 10 BXO S13E06
2021/09/27 4 20 CRO S17W12
2021/09/28 10 30 CRO S18W27
2021/09/29 14 130 DAI S18W41
2021/09/30 13 200 DAO S18W52
2021/10/01 4 200 DAO S18W66
2021/10/02 2 150 DAO S20W78
2021/10/03 1 30 HSX S21W93
2021/10/04 1 30 HSX S21W0*
BC
287

The top 10 solar flares from sunspot region 12877

Start Maximum End
1C2.82021/09/2921:4621:5622:02
2C1.92021/10/0307:0707:2207:46
3C1.72021/09/2922:3422:4522:50
4C1.72021/10/0222:2322:4022:57
5C1.42021/09/2922:1022:1322:17
6C1.22021/09/3012:4312:4912:55
7C1.02021/09/2914:1514:2114:25
8B9.52021/09/3005:4205:4905:55
9B9.42021/10/0402:5203:0703:18
10B8.62021/09/2911:1111:1911:25
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Ask your obscure/"stupid" space weather questions. 69Incoming & Unnumbered Active Regions 1250AR 13905 21>500 meV 12Filaments and prominences 555
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Last X-flare2024/11/06X2.39
Last M-flare2024/11/22M1.0
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024144.1 -22.3
Last 30 days158 +10.7

This day in history*

Solar flares
11998X3.24
21998M4.53
32013M1.69
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DstG
11997-108G3
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51981-81
*since 1994

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