Sunspot region AR12686

Number of
sunspots
Size Class Magn. Class Spot Location
2017/10/24 2 30 HAX N12E67
2017/10/25 2 30 HAX N12E53
2017/10/26 2 20 HSX N12E39
2017/10/27 2 20 HRX N12E27
2017/10/28 2 30 HAX N13E15
2017/10/29 1 10 HRX N13E02
2017/10/30 2 10 HRX N13W12
2017/10/31 1 10 AXX N13W26
2017/11/01 1 0 AXX N13W39
B
1

The top 1 solar flares from sunspot region 12686

Start Maximum End
1B2.192017/10/2700:3600:4400:50

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Space weather facts

Last X-flare2025/06/19X1.9
Last M-flare2025/10/03M1.2
Last geomagnetic storm2025/10/03Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
September 2025129.8 -3.7
October 2025140.1 +10.3
Last 30 days131.3 -1.2

This day in history*

Solar flares
12012M3.35
22024M1.2
31999C9.19
42024C8.0
52023C6.6
DstG
12024-153G3
21960-112G1
32002-108G2
42012-99G2
52015-97G2
*since 1994

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