Sunspot region AR9873

Number of
sunspots
Size Class Magn. Class Spot Location
2002/03/18 17 120 DAO S17W09
2002/03/19 25 110 DAI S18W21
2002/03/20 12 90 DAO S18W35
2002/03/21 5 50 DAO S17W49
2002/03/22 1 60 HSX S18W67
2002/03/23 1 60 HAX S18W82
2002/03/24 1 50 HSX S17W93
C
1

The top 1 solar flares from sunspot region 9873

Start Maximum End
1C4.392002/03/2101:3101:3901:45

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Last X-flare2024/10/31X2.03
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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