Solar flares on September 15, 2011
The most powerful solar flare in 24 hours
C9.2 (normal) flare - September 15 at 4:51 AM
Solar activity index
Value as of the end of the day on September 15, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 14, 2011 to September 15, 2011
Time zone — UTC+08 (Irkutsk)
List of solar flares for September 15, 2011
The total number of solar flares of class C and higher — 10 flares
C class — 10 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.4 | 18:55 | 18:59 | 19:02 | — |
| C1.3 | 12:28 | 12:32 | 12:35 | — |
| C1.9 | 11:04 | 11:08 | 11:11 | — |
| C2.3 | 10:41 | 10:46 | 10:50 | 1297 |
| C1.5 | 09:59 | 10:08 | 10:20 | — |
| C4.6 | 08:24 | 08:29 | 08:32 | 1297 |
| C3.1 | 07:29 | 07:37 | 07:41 | 1295 |
| C9.2 | 04:42 | 04:51 | 04:54 | 1297 |
| C4.2 | 00:16 | 00:26 | 00:48 | 1297 |
| C1.8 | 23:57 | 00:06 | 00:14 | 1297 |