Solar flares on February 19, 2011
The most powerful solar flare in 24 hours
C8.5 (normal) flare - February 19 at 10:04 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+02 (Riga)
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 | 23:07 | 23:13 | 23:17 | 1158 |
| C6.1 | 18:39 | 18:43 | 18:45 | 1158 |
| C1.9 | 18:26 | 18:30 | 18:32 | 1158 |
| C1.5 | 17:24 | 17:29 | 17:41 | 1158 |
| C1.0 | 16:50 | 16:53 | 16:55 | 1162 |
| C1.1 | 14:20 | 14:24 | 14:34 | 1162 |
| C8.5 | 10:00 | 10:04 | 10:12 | 1162 |
| C1.9 | 09:40 | 09:44 | 09:47 | 1158 |
| C2.6 | 08:57 | 09:05 | 09:14 | 1162 |
| C3.4 | 04:56 | 05:03 | 05:11 | 1161 |
| C1.8 | 04:21 | 04:25 | 04:30 | 1158 |
| C1.3 | 03:33 | 03:37 | 03:41 | 1158 |