Region 8729

Number of
sunspots
Size Class Magn. Class Spot Location
1999/10/10 8 40 CRO N11E67
1999/10/11 14 60 BXO N12E58
1999/10/12 14 30 BXO N12E44
1999/10/13 16 90 FAO N12E30
1999/10/14 30 110 CRO N11E17
1999/10/15 15 30 CAO N12E03
1999/10/16 8 20 CAO N12W12
1999/10/17 9 20 BXO N13W25
1999/10/18 3 10 BXO N14W41
1999/10/19 1 0 AXX N16W49

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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 2020:16
Last spotless day:2020/01/23

This day in history*

Solar flares
12002M1.3
22015M1.1
32001M1.0
42012C7.9
51999C7.9
ApG
1200630G1
2199422G1
3201321
4200320G1
5200418
*since 1994

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