Solar flares on September 13, 2012
The most powerful solar flare in 24 hours
C2.6 (normal) flare - September 13 at 9:34 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+01 (London) — 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 | 19:17 | 19:22 | 19:27 | — |
| C1.7 | 16:56 | 17:01 | 17:05 | 1569 |
| C1.8 | 14:02 | 14:06 | 14:08 | — |
| C2.6 | 09:23 | 09:34 | 09:57 | 1569 |
| C1.9 | 08:36 | 08:46 | 09:01 | — |
| C1.8 | 08:10 | 08:16 | 08:20 | 1569 |
| C2.6 | 04:08 | 06:08 | 06:39 | 1564 |