Sunspot region AR12315

Number of
sunspots
Size Class Magn. Class Spot Location
2015/03/29 2 10 CAO S19W16
2015/03/30 8 30 DRO S20W29
2015/03/31 5 30 CRO S20W41
2015/04/01 3 20 CAO S21W53
2015/04/02 6 10 BXO S21W66
C
2

The top 2 solar flares from sunspot region 12315

Start Maximum End
1C2.182015/03/2911:2811:3211:36
2C1.152015/04/0213:4213:4713:53

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Space weather facts

Last X-flare2024/11/06X2.39
Last M-flare2024/11/20M1.1
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024142.7 -23.8
Last 30 days156.1 +4.7

This day in history*

Solar flares
11998X5.37
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32001X1.41
42001M5.51
51998M2.7
DstG
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*since 1994

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