Region 12673

Number of
sunspots
Size Class Magn. Class Spot Location
2017/08/30 1 70 HSX S08E62
2017/08/31 1 70 HSX S08E48
2017/09/01 1 80 HSX S08E36
2017/09/02 1 80 HSX S08E23
2017/09/03 4 60 CSO S10E09
2017/09/04 12 130 DSC S10W02
2017/09/05 28 680 DKC S10W16
2017/09/06 33 880 DKC S10W30
2017/09/07 24 960 EKC S10W43
2017/09/08 21 1000 EKC S10W57
2017/09/09 19 1060 DKC S09W70
2017/09/10 8 530 DKC S09W83
BCMX
145274

The top 10 solar flares from sunspot region 12673

Start Maximum End
1X9.32017/09/0611:5312:0212:10
2X8.22017/09/1015:3516:0616:31
3X2.22017/09/0608:5709:1009:17
4X1.32017/09/0714:2014:3614:55
5M8.12017/09/0807:4007:4907:58
6M7.32017/09/0710:1110:1510:18
7M5.52017/09/0420:2820:3320:37
8M4.22017/09/0501:0301:0801:11
9M3.92017/09/0723:5023:5900:14
10M3.82017/09/0506:3306:4006:43

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2020/02/19Kp5 (G1)
Number of spotless days in 2020:42
Current stretch spotless days:27

This day in history*

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*since 1994

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