Solar flares on September 27, 2011
The most powerful solar flare in 24 hours
C6.4 (normal) flare - September 27 at 12:58 PM
Solar activity index
Value as of the end of the day on September 27, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 26, 2011 to September 27, 2011
Time zone — UTC-08 (Anchorage) — summer time
List of solar flares for September 27, 2011
The total number of solar flares of class C and higher — 7 flares
C class — 7 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.0 | 18:36 | 18:44 | 18:50 | 1302 |
| C1.7 | 14:45 | 14:50 | 14:54 | — |
| C6.4 | 12:44 | 12:58 | 13:11 | 1302 |
| C1.1 | 10:05 | 10:10 | 10:22 | 1302 |
| C1.3 | 03:42 | 03:47 | 03:51 | — |
| C1.8 | 02:49 | 02:54 | 02:57 | — |
| C2.4 | 00:05 | 00:13 | 00:21 | 1302 |