Region 12664

Number of
sunspots
Size Class Magn. Class Spot Location
2017/06/21 1 80 CSO N18E72
2017/06/22 1 50 HSX N17E60
2017/06/23 1 50 HSX N17E47
2017/06/24 1 70 HSX N18E35
2017/06/25 7 70 CSO N18E21
2017/06/26 10 90 CSO N18E07
2017/06/27 9 90 DSI N18W07
2017/06/28 7 100 DSI N18W19
2017/06/29 3 60 CSO N18W33
2017/06/30 2 50 CSO N18W46
2017/07/01 1 50 HSX N17W58
2017/07/02 1 20 HSX N18W71
2017/07/03 1 20 HSX N18W85
B
12

The top 10 solar flares from sunspot region 12664

Start Maximum End
1B8.02017/07/0306:3306:3706:39
2B3.52017/07/0306:1706:2106:25
3B3.12017/07/0212:2312:3912:59
4B2.62017/06/2721:0921:1521:19
5B2.62017/07/0311:2111:2511:29
6B1.92017/07/0307:0607:1007:12
7B1.52017/06/2006:0107:1808:48
8B1.52017/06/2200:3600:4901:02
9B1.32017/06/2607:2307:2807:33
10B1.32017/07/0307:2807:3107:34

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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 2019:246
Current stretch spotless days:20

This day in history*

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*since 1994

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