Solar flares on February 15, 2011
The most powerful solar flare in 24 hours
X2.2 (very strong) flare - February 15 at 7:26 AM
Solar activity index
Value as of the end of the day on February 15, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from February 14, 2011 to February 15, 2011
Time zone — UTC+05:30 (Ranchi)
List of solar flares for February 15, 2011
The total number of solar flares of class C and higher — 8 flares
C class — 7 | M class — 0 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.8 | 20:02 | 20:14 | 20:21 | 1158 |
| C1.0 | 15:32 | 15:37 | 15:46 | — |
| C4.8 | 09:57 | 10:02 | 10:07 | — |
| X2.2 | 07:14 | 07:26 | 07:36 | 1158 |
| C2.7 | 06:01 | 06:08 | 06:18 | — |
| C2.7 | 05:10 | 05:16 | 05:27 | 1158 |
| C1.2 | 04:44 | 04:49 | 04:56 | 1158 |
| C6.6 | 00:53 | 01:00 | 01:06 | 1158 |