Region 9870

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
1C6.22002/03/1811:4011:4711:53
2C5.72002/03/2023:4600:2300:46
3C3.62002/03/1816:4616:5216:58

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Space weather facts

Last X-flare2017/09/10X8.2
Last M-flare2020/05/29M1.1
Last geomagnetic storm2020/04/20Kp5 (G1)
Spotless days
Last 365 days293 days
2020157 days (71%)
Last spotless day2020/07/20

This day in history*

Solar flares
12011M3.5
21998M3.0
32000M1.9
42011C7.7
52016C5.6
ApG
1200333G1
2199521G1
3201610
4201510
5201210G1
*since 1994

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