Region 8631

Number of
sunspots
Size Class Magn. Class Spot Location
1999/07/12 1 80 HAX N11E77
1999/07/13 1 140 HAX N11E64
1999/07/14 1 160 HAX N11E50
1999/07/15 2 130 HAX N10E38
1999/07/16 2 120 HAX N11E24
1999/07/17 7 170 CAO N11E10
1999/07/18 7 80 DAO N11W03
1999/07/19 9 90 DSO N12W16
1999/07/20 5 60 CSO N12W29
1999/07/21 3 30 HSX N12W42
1999/07/22 2 30 HSX N12W54
1999/07/23 2 20 AXX N11W69
1999/07/24 3 10 BXO N14W80

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/09/28Kp5 (G1)
Number of spotless days in 2019:217
Current stretch spotless days:19

This day in history*

Solar flares
12000M3.0
22001M2.5
32003M2.4
42011M1.3
52001M1.3
ApG
1200157G4
2200349G2
3199823G1
4200620
5199920G1
*since 1994

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