Region 8531

Number of
sunspots
Size Class Magn. Class Spot Location
1999/05/05 2 30 CSO N18E65
1999/05/06 5 30 BXO N18E52
1999/05/07 4 10 BXO N19E38
1999/05/08 3 10 BXO N18E24
1999/05/09 4 20 CRO N19E08
1999/05/10 3 10 BXO N20W05
1999/05/13 2 0 AXX N20W45
1999/05/15 2 10 BXO N20W74

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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 2019:270
Current stretch spotless days:43

This day in history*

Solar flares
12001C9.4
22001C8.3
32014C7.0
42001C6.5
52002C5.9
ApG
1200694G4
2200325G1
3199421G1
4201516G1
5201414
*since 1994

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