Solar flares on November 4, 2003
The most powerful solar flare in 24 hours
X17.4 (very strong) flare - November 4 at 8:53 PM
Solar activity index
Value as of the end of the day on November 4, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from November 3, 2003 to November 4, 2003
Time zone — UTC+01 (Paris)
List of solar flares for November 4, 2003
The total number of solar flares of class C and higher — 7 flares
C class — 3 | M class — 3 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| X17.4 | 20:29 | 20:53 | 21:06 | 486 |
| M1.1 | 14:43 | 14:49 | 15:01 | 486 |
| C5.7 | 12:15 | 12:19 | 12:25 | 486 |
| M3.0 | 11:11 | 11:22 | 11:33 | 488 |
| C2.8 | 10:40 | 10:43 | 10:50 | 486 |
| M2.6 | 06:43 | 06:56 | 07:07 | — |
| C5.0 | 05:04 | 05:11 | 05:19 | — |