Region 8634

Number of
sunspots
Size Class Magn. Class Spot Location
1999/07/13 1 10 AXX S18E69
1999/07/14 1 10 AXX S18E59
1999/07/15 1 10 HRX S19E43
1999/07/16 1 0 HRX S19E30
BC
21

The top 3 solar flares from sunspot region 8634

Start Maximum End
1C1.21999/07/1216:4316:4816:53
2B8.81999/07/1400:3800:4800:54
3B8.21999/07/1509:1209:1609:19

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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*

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ApG
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3199823G1
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*since 1994

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