Solar flares on September 11, 2002
The most powerful solar flare in 24 hours
M2.2 (strong) flare - September 11 at 1:05 PM
Solar activity index
Value as of the end of the day on September 11, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 10, 2002 to September 11, 2002
Time zone — UTC+05:30 (Bhatpara)
List of solar flares for September 11, 2002
The total number of solar flares of class C and higher — 12 flares
C class — 11 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.9 | 23:16 | 23:19 | 23:22 | — |
| C1.3 | 20:18 | 20:33 | 20:36 | 107 |
| C4.5 | 16:08 | 16:21 | 16:26 | — |
| M2.2 | 12:56 | 13:05 | 13:12 | 105 |
| C1.5 | 11:19 | 11:24 | 11:27 | 107 |
| C2.1 | 10:33 | 10:39 | 10:43 | 107 |
| C2.2 | 07:07 | 07:13 | 07:18 | — |
| C3.4 | 04:22 | 04:28 | 04:31 | — |
| C9.1 | 03:24 | 03:34 | 03:38 | — |
| C3.6 | 02:14 | 02:21 | 02:24 | 107 |
| C3.7 | 01:18 | 01:25 | 01:36 | — |
| C1.8 | 01:06 | 01:09 | 01:12 | — |