Solar flares on October 19, 2011
The most powerful solar flare in 24 hours
C5.5 (normal) flare - October 19 at 5:55 AM
Solar activity index
Value as of the end of the day on October 19, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 18, 2011 to October 19, 2011
Time zone — UTC+01 (London) — summer time
List of solar flares for October 19, 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 |
|---|---|---|---|---|
| C3.5 | 21:31 | 21:37 | 21:39 | 1314 |
| C1.7 | 20:55 | 20:58 | 21:00 | 1324 |
| C3.4 | 19:45 | 19:49 | 19:51 | 1324 |
| C2.4 | 17:31 | 17:34 | 17:37 | 1324 |
| C5.5 | 05:49 | 05:55 | 06:00 | 1324 |
| C1.1 | 02:33 | 02:36 | 02:40 | — |