Sunspot region AR9913

Number of
sunspots
Size Class Magn. Class Spot Location
2002/04/20 6 30 BXO S15E23
2002/04/21 6 30 CSO S16E10
2002/04/22 8 10 BXO S17W02
2002/04/23 1 20 HRX S15W19
2002/04/24 6 30 CSO S15W31
2002/04/25 13 40 CSO S16W44
2002/04/26 6 40 CSO S14W58
2002/04/27 6 40 CRO S15W72
C
4

The top 4 solar flares from sunspot region 9913

Start Maximum End
1C2.992002/04/2410:4610:5311:00
2C2.542002/04/2405:3505:4805:55
3C2.472002/04/2414:2014:3414:41
4C22002/04/2406:2506:4206:57

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Last X-flare2025/03/28X1.1
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Spotless days
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