Sunspot region AR12309

Number of
sunspots
Size Class Magn. Class Spot Location
2015/03/23 3 10 BXO N11W11
2015/03/24 3 20 CRO N15W24
2015/03/25 1 0 AXX N14W36
2015/03/28 2 60 DAO N14W79
2015/03/29 4 80 DAO N15W87
2015/03/30 4 80 DAO N15W0*
C
4

The top 4 solar flares from sunspot region 12309

Start Maximum End
1C2.532015/03/2715:0615:0915:12
2C2.32015/03/2712:3712:4312:46
3C1.842015/03/2716:3216:3616:38
4C1.612015/03/2714:3014:3514:37

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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
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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