Region 8628

Number of
sunspots
Size Class Magn. Class Spot Location
1999/07/10 3 30 CRO N18E52
1999/07/11 7 20 CRO N19E36
1999/07/12 20 170 EAO N18E20
1999/07/13 21 210 DAO N17E04
1999/07/14 22 220 DAO N17W09
1999/07/15 16 150 DAO N18W22
1999/07/16 19 140 EAO N18W35
1999/07/17 14 140 EAO N18W48
1999/07/18 11 100 DAO N19W62
1999/07/19 6 100 DAO N18W76
1999/07/20 2 70 DSO N20W88
C
3

The top 3 solar flares from sunspot region 8628

Start Maximum End
1C1.51999/07/1203:3303:3703:41
2C1.51999/07/1219:4219:4719:56
3C1.21999/07/1105:5906:0306:06

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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 2019:213
Current stretch spotless days:15

This day in history*

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*since 1994

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