Solar flares on February 19, 2011
The most powerful solar flare in 24 hours
C8.5 (normal) flare - February 19 at 8:04 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+00 (London)
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 |
|---|---|---|---|---|
| C1.9 | 21:07 | 21:13 | 21:17 | 1158 |
| C6.1 | 16:39 | 16:43 | 16:45 | 1158 |
| C1.9 | 16:26 | 16:30 | 16:32 | 1158 |
| C1.5 | 15:24 | 15:29 | 15:41 | 1158 |
| C1.0 | 14:50 | 14:53 | 14:55 | 1162 |
| C1.1 | 12:20 | 12:24 | 12:34 | 1162 |
| C8.5 | 08:00 | 08:04 | 08:12 | 1162 |
| C1.9 | 07:40 | 07:44 | 07:47 | 1158 |
| C2.6 | 06:57 | 07:05 | 07:14 | 1162 |
| C3.4 | 02:56 | 03:03 | 03:11 | 1161 |
| C1.8 | 02:21 | 02:25 | 02:30 | 1158 |
| C1.3 | 01:33 | 01:37 | 01:41 | 1158 |