Region 10231

Number of
sunspots
Size Class Magn. Class Spot Location
2002/12/20 2 20 CSO S25E13
2002/12/21 5 20 DSO S25E00
2002/12/22 6 30 CAO S25W13
2002/12/23 10 50 DAO S25W26
2002/12/24 6 50 DAO S25W39
2002/12/25 5 50 DAO S25W53
2002/12/26 4 60 CAO S25W62
2002/12/27 3 110 CSO S24W77
2002/12/28 4 50 CSO S25W89
C
1

The top 1 solar flares from sunspot region 10231

Start Maximum End
1C1.62002/12/2315:2015:2415:26

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64%

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 days309 days
2020143 days (77%)
Last spotless day2020/07/03

This day in history*

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ApG
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3200318
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5199816
*since 1994

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