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-flare2024/11/20M1.1
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024142.9 -23.5
Last 30 days155.8 +4.5

This day in history*

Solar flares
11998X5.37
21998X3.59
32001X1.41
42001M5.51
51998M2.7
DstG
11991-139G2
21982-114G2
31975-97G2
42003-87G2
51960-76G2
*since 1994

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