Solar flares on October 13, 2011
The most powerful solar flare in 24 hours
C2.2 (normal) flare - October 13 at 6:23 AM
Solar activity index
Value as of the end of the day on October 13, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 12, 2011 to October 13, 2011
Time zone — UTC-06 (Fort Smith) — summer time
List of solar flares for October 13, 2011
The total number of solar flares of class C and higher — 6 flares
C class — 6 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.5 | 17:59 | 18:03 | 18:14 | — |
| C2.0 | 12:16 | 12:50 | 13:00 | 1319 |
| C1.6 | 09:05 | 09:18 | 09:22 | — |
| C2.2 | 05:29 | 06:23 | 06:55 | 1313 |
| C1.0 | 03:37 | 03:46 | 03:58 | 1313 |
| C1.2 | 01:07 | 01:11 | 01:14 | 1314 |