Solar flares on November 4, 2003
The most powerful solar flare in 24 hours
X17.4 (very strong) flare - November 4 at 7:53 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+00
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 | 19:29 | 19:53 | 20:06 | 486 |
| M1.1 | 13:43 | 13:49 | 14:01 | 486 |
| C5.7 | 11:15 | 11:19 | 11:25 | 486 |
| M3.0 | 10:11 | 10:22 | 10:33 | 488 |
| C2.8 | 09:40 | 09:43 | 09:50 | 486 |
| M2.6 | 05:43 | 05:56 | 06:07 | — |
| C5.0 | 04:04 | 04:11 | 04:19 | — |