Solar flares on September 11, 2002
The most powerful solar flare in 24 hours
C4.5 (normal) flare - September 11 at 2:51 AM
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-08 (Dillingham) — summer time
List of solar flares for September 11, 2002
The total number of solar flares of class C and higher — 8 flares
C class — 8 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.1 | 23:51 | 23:55 | 23:58 | — |
| C2.8 | 23:07 | 23:14 | 23:25 | 107 |
| C1.4 | 22:26 | 22:30 | 22:33 | — |
| C4.1 | 16:09 | 16:18 | 16:30 | 107 |
| C1.2 | 14:55 | 15:00 | 15:02 | 107 |
| C1.9 | 09:46 | 09:49 | 09:52 | — |
| C1.3 | 06:48 | 07:03 | 07:06 | 107 |
| C4.5 | 02:38 | 02:51 | 02:56 | — |