Sunspot region AR12421

Number of
sunspots
Size Class Magn. Class Spot Location
2015/09/23 7 10 BXO N15E32
2015/09/24 7 10 BXO N15E32
2015/09/25 5 50 CAI N15E05
2015/09/26 17 70 DAC N17W09
2015/09/27 12 110 DAC N17W21
2015/09/28 11 100 DAI N16W35
2015/09/29 4 10 BXO N16W50
BCM
411

The top 6 solar flares from sunspot region 12421

Start Maximum End
1M1.342015/09/2719:4419:5820:05
2C4.82015/09/2423:4123:4700:07
3B9.072015/09/2404:4704:5104:58
4B8.342015/09/2411:3111:3511:39
5B7.962015/09/2418:4918:5418:57
6B6.972015/09/2407:5808:0108:08

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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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