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

Current data suggests there is a moderate possibility for aurora to appear at the following high latitude regions in the near future

Utsjoki
Kirkenes
Murmansk, Norilsk, Vorkuta

Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future

Oulu, Rovaniemi, Sodankylä
Arkhangelsk
Luleå
The solar wind speed is currently moderately high (569.9 km/sec.)

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Space weather facts

Last X-flare2025/01/04X1.85
Last M-flare2025/02/14M1.8
Last geomagnetic storm2025/01/04Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
January 2025137 -17.5
February 2025140.8 +3.8
Last 30 days149.1 -1.7

This day in history*

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*since 1994

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