Sunspot region AR9870

Number of
sunspots
Size Class Magn. Class Spot Location
2002/03/12 3 130 DSO S17E62
2002/03/13 6 120 ESO S18E51
2002/03/14 4 120 EAO S20E37
2002/03/15 6 120 CAO S20E24
2002/03/16 4 90 CSO S19E06
2002/03/17 2 100 HSX S20W07
2002/03/18 1 120 HAX S20W20
2002/03/19 11 90 CAO S20W35
2002/03/20 8 80 CAO S20W47
2002/03/21 6 80 CSO S21W61
2002/03/22 3 50 CAO S20W73
2002/03/23 1 90 HSX S20W90
C
3

The top 3 solar flares from sunspot region 9870

Start Maximum End
1C8.892002/03/1811:4011:4711:53
2C8.232002/03/2123:4600:2300:46
3C5.252002/03/1816:4616:5216:58

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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*

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*since 1994

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