Solar flares on October 13, 2011
The most powerful solar flare in 24 hours
C2.2 (normal) flare - October 13 at 7:23 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-05 (Montgomery) — 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 | 18:59 | 19:03 | 19:14 | — |
| C2.0 | 13:16 | 13:50 | 14:00 | 1319 |
| C1.6 | 10:05 | 10:18 | 10:22 | — |
| C2.2 | 06:29 | 07:23 | 07:55 | 1313 |
| C1.0 | 04:37 | 04:46 | 04:58 | 1313 |
| C1.2 | 02:07 | 02:11 | 02:14 | 1314 |