Solar flares on February 19, 2011
The most powerful solar flare in 24 hours
C8.5 (normal) flare - February 19 at 3:04 AM
Solar activity index
Value as of the end of the day on February 19, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from February 18, 2011 to February 19, 2011
Time zone — UTC-05 (Kitchener)
List of solar flares for February 19, 2011
The total number of solar flares of class C and higher — 12 flares
C class — 12 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.7 | 22:54 | 22:57 | 22:59 | 1161 |
| C1.4 | 21:45 | 22:19 | 22:31 | 1162 |
| C1.2 | 19:46 | 20:23 | 20:45 | 1161 |
| C1.9 | 16:07 | 16:13 | 16:17 | 1158 |
| C6.1 | 11:39 | 11:43 | 11:45 | 1158 |
| C1.9 | 11:26 | 11:30 | 11:32 | 1158 |
| C1.5 | 10:24 | 10:29 | 10:41 | 1158 |
| C1.0 | 09:50 | 09:53 | 09:55 | 1162 |
| C1.1 | 07:20 | 07:24 | 07:34 | 1162 |
| C8.5 | 03:00 | 03:04 | 03:12 | 1162 |
| C1.9 | 02:40 | 02:44 | 02:47 | 1158 |
| C2.6 | 01:57 | 02:05 | 02:14 | 1162 |