Solar flares on September 9, 2011
The most powerful solar flare in 24 hours
M2.7 (strong) flare - September 9 at 3:11 AM
Solar activity index
Value as of the end of the day on September 9, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 8, 2011 to September 9, 2011
Time zone — UTC-03 (Moncton) — summer time
List of solar flares for September 9, 2011
The total number of solar flares of class C and higher — 4 flares
C class — 2 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.1 | 20:05 | 20:09 | 20:20 | 1283 |
| C3.2 | 11:42 | 11:59 | 12:24 | 1283 |
| M1.2 | 09:39 | 09:49 | 09:56 | 1283 |
| M2.7 | 03:01 | 03:11 | 03:17 | 1283 |