Region 12645

Number of
sunspots
Size Class Magn. Class Spot Location
2017/03/27 3 10 BXI S10E73
2017/03/28 3 30 CSO S09E59
2017/03/29 8 70 DAI S09E44
2017/03/30 12 180 DSI S10E29
2017/03/31 10 260 DKI S11E15
2017/04/01 29 380 EKC S09E02
2017/04/02 25 520 EKC S09W11
2017/04/03 23 600 EHC S09W25
2017/04/04 35 700 EKC S08W38
2017/04/05 16 680 EKC S10W53
2017/04/06 12 500 FKC S10W67
2017/04/07 14 380 EKC S10W79
2017/04/08 5 70 CAO S09W91
2017/04/09 5 70 CAO S09W0*
BC
3431

The top 10 solar flares from sunspot region 12645

Start Maximum End
1C8.02017/04/0202:4102:4602:48
2C5.52017/04/0612:0112:1012:20
3C5.12017/04/0122:5923:0323:05
4C5.12017/03/2717:5518:2018:24
5C4.92017/04/0423:3023:4223:46
6C4.32017/04/0719:4219:4919:52
7C3.92017/04/0311:0711:1311:25
8C3.82017/04/0308:0908:1408:21
9C3.42017/04/0313:0113:0613:09
10C3.22017/03/2711:0711:1211:18

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/10/26Kp5 (G1)
Number of spotless days in 2019:237
Current stretch spotless days:10

This day in history*

Solar flares
12002M2.9
22012M2.0
31999M1.7
42001M1.6
51999M1.1
ApG
1200430G1
2200330G1
3200020
4201618
5200217
*since 1994

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