Sunspot region AR12540

Number of
sunspots
Size Class Magn. Class Spot Location
2016/05/01 2 20 HRX N21E51
2016/05/02 3 20 HRX N21E38
2016/05/03 3 10 BXO N22E24
BC
11

The top 2 solar flares from sunspot region 12540

Start Maximum End
1C5.082016/05/0208:3208:4208:47
2B7.962016/05/0114:0614:1514:28

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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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