Sunspot region AR10311

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
1C1.942003/03/1302:0402:1302:21

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Last X-flare2024/10/31X2.0
Last M-flare2024/11/05M2.6
Last geomagnetic storm2024/10/12Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
September 2024141.4 -74.1
November 2024215.8 +74.4
Last 30 days161.1 +7.2

This day in history*

Solar flares
12013X4.93
21998X1.21
32014X1.14
42003M7.6
52004M5.72
DstG
12023-172G3
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*since 1994

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