Solar flares on September 9, 2011
The most powerful solar flare in 24 hours
M2.7 (strong) flare - September 9 at 6:11 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+00
List of solar flares for September 9, 2011
The total number of solar flares of class C and higher — 5 flares
C class — 3 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.1 | 23:05 | 23:09 | 23:20 | 1283 |
| C3.2 | 14:42 | 14:59 | 15:24 | 1283 |
| M1.2 | 12:39 | 12:49 | 12:56 | 1283 |
| M2.7 | 06:01 | 06:11 | 06:17 | 1283 |
| C1.2 | 01:46 | 02:03 | 02:12 | 1283 |