Sunspot region AR11279

Number of
sunspots
Size Class Magn. Class Spot Location
2011/08/26 1 120 HSX N14E75
2011/08/27 1 90 HSX N13E61
2011/08/28 3 120 HSX N13E47
2011/08/29 3 80 CSO N13E34
2011/08/30 6 100 CSO N13E22
2011/08/31 2 80 HSX N13E07
2011/09/01 1 80 HSX N13W06
2011/09/02 3 60 HAX N13W19
2011/09/03 4 60 HSX N14W32
2011/09/04 4 30 HSX N13W45
BC
12

The top 3 solar flares from sunspot region 11279

Start Maximum End
1C1.362011/08/2516:4516:5217:01
2C1.282011/08/2613:3013:3313:36
3B92011/08/2615:1915:2615:34

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Space weather facts

Last X-flare2026/03/30X1.5
Last M-flare2026/04/09M1.0
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 2026118.8 +32.8
Last 30 days103.2 +49.3

This day in history*

Solar flares
12001X3.14
22002X1.17
32023M2.83
42002M2.34
52000M1.23
DstG
11990-281G4
21982-137G3
31957-124G3
41959-122G4
51960-81G3
*since 1994

Aurora on this day in history

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