Solar flares on August 9, 2011
The most powerful solar flare in 24 hours
X6.9 (very strong) flare - August 9 at 3:05 AM
Solar activity index
Value as of the end of the day on August 9, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 8, 2011 to August 9, 2011
Time zone — UTC-05 (Topeka) — summer time
List of solar flares for August 9, 2011
The total number of solar flares of class C and higher — 6 flares
C class — 5 | M class — 0 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.9 | 18:33 | 18:43 | 18:49 | 1263 |
| C2.0 | 13:04 | 13:11 | 13:42 | — |
| C2.4 | 10:43 | 10:54 | 11:04 | 1263 |
| C2.2 | 08:29 | 08:45 | 08:57 | 1263 |
| X6.9 | 02:48 | 03:05 | 03:08 | 1263 |
| C1.4 | 02:19 | 02:23 | 02:27 | 1263 |