Solar flares on September 13, 2012
The most powerful solar flare in 24 hours
C2.6 (normal) flare - September 13 at 4:34 AM
Solar activity index
Value as of the end of the day on September 13, 2012
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 12, 2012 to September 13, 2012
Time zone — UTC-04 (Columbus) — summer time
List of solar flares for September 13, 2012
The total number of solar flares of class C and higher — 7 flares
C class — 7 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.3 | 14:17 | 14:22 | 14:27 | — |
| C1.7 | 11:56 | 12:01 | 12:05 | 1569 |
| C1.8 | 09:02 | 09:06 | 09:08 | — |
| C2.6 | 04:23 | 04:34 | 04:57 | 1569 |
| C1.9 | 03:36 | 03:46 | 04:01 | — |
| C1.8 | 03:10 | 03:16 | 03:20 | 1569 |
| C2.6 | 23:08 | 01:08 | 01:39 | 1564 |