Sunspot region AR12155

Number of
sunspots
Size Class Magn. Class Spot Location
2014/09/05 3 170 DAO S20E59
2014/09/06 6 120 DAO S20E47
2014/09/07 5 120 DAO S20E33
2014/09/08 6 120 CAO S20E19
2014/09/09 4 100 CAO S19E06
2014/09/10 9 60 DAC S21W08
2014/09/11 10 60 CAI S21W22
2014/09/12 5 30 BXO S19W34
2014/09/13 3 10 BXO S19W48
2014/09/14 2 10 BXO S19W61
C
2

The top 2 solar flares from sunspot region 12155

Start Maximum End
1C5.432014/09/0501:4401:5001:52
2C2.182014/09/0414:4514:4914:53

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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
12012M5.08
21999M4.93
31999M3.27
42000M2.33
52012M2.11
DstG
12003-309G3
21991-135G3
32002-128G3
41960-111G2
51970-110G2
*since 1994

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