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-flare2026/03/30X1.5
Last M-flare2026/04/04M1.0
Last geomagnetic storm2026/04/03Kp7- (G3)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
March 202685.9 +7.7
April 2026122.8 +36.9
Last 30 days99.9 +42.1

This day in history*

Solar flares
12006M1.39
22002M1.38
31997C9.01
42002C8.7
52002C6.29
DstG
12000-292G4
21995-149G4
31977-95G3
41989-85G1
51960-76G1
*since 1994

Aurora on this day in history

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