Region 10311

Number of
sunspots
Size Class Magn. Class Spot Location
2003/03/10 4 20 CSO S16E45
2003/03/11 12 70 DAO S16E32
2003/03/12 16 70 DAI S16E19
2003/03/13 12 100 DSO S12E05
2003/03/14 12 110 DAO S12W08
2003/03/15 13 80 DAO S13W22
2003/03/16 11 60 CAO S12W36
2003/03/17 7 50 CAO S10W50
2003/03/18 2 20 HRX S10W64
2003/03/19 2 20 HRX S12W76
C
1

The top 1 solar flares from sunspot region 10311

Start Maximum End
1C1.32003/03/1302:0402:1302:21

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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 2019:267
Current stretch spotless days:40

This day in history*

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*since 1994

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