Solar flares on October 23, 2003
The most powerful solar flare in 24 hours
X5.4 (very strong) flare - October 23 at 4:35 AM
Solar activity index
Value as of the end of the day on October 23, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 22, 2003 to October 23, 2003
Time zone — UTC-04 (Augusta) — summer time
List of solar flares for October 23, 2003
The total number of solar flares of class C and higher — 5 flares
C class — 0 | M class — 3 | X class — 2
| Class | begin | max | end | region |
|---|---|---|---|---|
| M7.6 | 22:27 | 22:54 | 23:14 | 486 |
| X1.1 | 15:50 | 16:04 | 16:14 | 486 |
| M2.7 | 06:49 | 06:53 | 06:55 | 484 |
| X5.4 | 04:19 | 04:35 | 04:49 | 486 |
| M3.2 | 03:02 | 03:08 | 03:10 | 484 |