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-flare2024/11/06X2.39
Last M-flare2024/11/13M1.7
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024170.8 +4.3
Last 30 days165.1 +20.3

This day in history*

Solar flares
11999X1.15
21999M8.06
32005M5.58
41999M4.11
52005M3.72
DstG
11960-167G3
21998-109G2
32012-108G2
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*since 1994

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