Sunspot region AR12871

Number of
sunspots
Size Class Magn. Class Spot Location
2021/09/18 1 30 HSX S28E73
2021/09/19 3 60 DAO S27E59
2021/09/20 6 240 DAO S28E47
2021/09/21 8 310 DKO S28E37
2021/09/22 7 250 DKO S29E25
2021/09/23 11 210 DAO S28E10
2021/09/24 8 140 DAO S25E01
2021/09/25 9 140 DAC S28W13
2021/09/26 10 90 DAI S15W49
2021/09/27 6 70 CSO S27W39
2021/09/28 1 30 HRX S29W52
2021/09/29 1 10 AXX S28W66
2021/09/30 1 10 AXX S28W79
BCM
89162

The top 10 solar flares from sunspot region 12871

Start Maximum End
1M2.82021/09/2304:3504:4204:50
2M1.892021/09/2315:2315:2815:39
3C5.52021/09/1704:0704:2804:44
4C5.32021/09/2304:1704:3204:35
5C3.52021/09/1704:0904:2004:48
6C3.02021/09/2406:5607:0107:05
7C2.62021/09/1807:4708:2708:33
8C1.72021/09/2519:1119:1719:21
9C1.62021/09/2611:1911:2411:28
10C1.62021/09/2805:5406:3406:54

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

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