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Sunspot region AR12387

Number of
sunspots		 Size Class Magn. Class Spot Location
2015/07/17 5 30 CAI N17E61
2015/07/18 7 40 DAC N17E47
2015/07/19 7 120 DAI N17E34
2015/07/20 11 100 DAI N17E18
2015/07/21 18 120 DAI N17E04
2015/07/22 16 110 DAI N16W10
2015/07/23 14 60 CSI N17W24
2015/07/24 6 20 CRO N16W35
2015/07/25 5 10 BXO N17W48
B
3

The top 3 solar flares from sunspot region 12387

Start Maximum End
1B7.992015/07/1621:0021:1121:20
2B6.92015/07/1715:5315:5916:05
3B3.732015/07/2112:1612:2012:25
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Space weather facts

Last X-flare2024/11/06X2.39
Last M-flare2024/11/13M1.7
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024166 -0.4
Last 30 days163.2 +18.4

This day in history*

Solar flares
11999X1.15
21999M8.06
32005M5.58
41999M4.11
52005M3.72
DstG
11960-167G3
21998-109G2
32012-108G2
41989-105
51979-90G1
*since 1994

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