Sunspot region AR11579

Number of
sunspots
Size Class Magn. Class Spot Location
2012/09/25 1 120 HAX S09E70
2012/09/26 3 180 CSO S09E58
2012/09/27 3 160 CSO S09E45
2012/09/28 2 160 HSX S10E33
2012/09/29 3 200 CSO S09E20
2012/09/30 5 190 CSO S08E05
2012/10/01 4 180 CSO S09W08
2012/10/02 2 170 CAO S09W21
2012/10/03 3 160 CSO S09W34
2012/10/04 4 180 CSO S10W47
2012/10/05 5 160 CSO S10W60
2012/10/06 2 150 CSO S10W73
2012/10/07 2 150 CSO S11W87
BC
21

The top 3 solar flares from sunspot region 11579

Start Maximum End
1C6.382012/09/2717:0417:2017:30
2B4.172012/10/0602:0502:1002:15
3B3.992012/10/0600:3700:4100:45

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Space weather facts

Last X-flare2026/03/30X1.5
Last M-flare2026/04/04M1.0
Last geomagnetic storm2026/04/03Kp7- (G3)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
March 202685.9 +7.7
April 2026121 +35.1
Last 30 days101.1 +44.7

This day in history*

Solar flares
12000M2.97
22023M2.9
32000M2.66
42015M2.06
51999M1.66
DstG
11995-102G1
21984-99G2
32000-87
41959-71G1
51960-64
*since 1994

Aurora on this day in history

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