Solar flares on October 13, 2011
The most powerful solar flare in 24 hours
C2.2 (normal) flare - October 13 at 3:23 PM
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+03 (Kaluga)
List of solar flares for October 13, 2011
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 |
|---|---|---|---|---|
| C2.0 | 21:16 | 21:50 | 22:00 | 1319 |
| C1.6 | 18:05 | 18:18 | 18:22 | — |
| C2.2 | 14:29 | 15:23 | 15:55 | 1313 |
| C1.0 | 12:37 | 12:46 | 12:58 | 1313 |
| C1.2 | 10:07 | 10:11 | 10:14 | 1314 |
| C1.3 | 06:00 | 06:05 | 06:12 | 1319 |
| C2.0 | 03:25 | 03:31 | 03:35 | 1319 |