Solar flares on January 11, 2003
The most powerful solar flare in 24 hours
C3.0 (normal) flare - January 11 at 11:55 AM
Solar activity index
Value as of the end of the day on January 11, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from January 10, 2003 to January 11, 2003
Time zone — UTC+01 (Vaduz)
List of solar flares for January 11, 2003
The total number of solar flares of class C and higher — 12 flares
C class — 12 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.6 | 23:45 | 23:51 | 23:58 | 242 |
| C2.4 | 20:25 | 20:33 | 20:51 | 244 |
| C1.7 | 18:29 | 18:44 | 19:10 | 244 |
| C2.3 | 17:01 | 17:11 | 17:42 | 242 |
| C1.9 | 14:09 | 14:15 | 14:34 | 242 |
| C2.3 | 12:09 | 12:11 | 12:12 | — |
| C3.0 | 11:50 | 11:55 | 12:01 | — |
| C2.7 | 11:22 | 11:29 | 11:41 | 244 |
| C1.4 | 05:34 | 05:44 | 05:55 | — |
| C1.2 | 04:37 | 04:40 | 04:43 | — |
| C2.5 | 01:06 | 01:42 | 01:52 | 242 |
| C2.5 | 00:37 | 00:41 | 00:50 | 242 |