Solar flares on April 23, 2003
The most powerful solar flare in 24 hours
M5.1 (strong) flare - April 23 at 2:06 AM
Solar activity index
Value as of the end of the day on April 23, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 22, 2003 to April 23, 2003
Time zone — UTC+01 (London) — summer time
List of solar flares for April 23, 2003
The total number of solar flares of class C and higher — 7 flares
C class — 5 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M2.0 | 16:36 | 16:56 | 17:11 | 338 |
| C5.8 | 13:00 | 13:13 | 13:32 | 339 |
| C1.9 | 11:31 | 11:35 | 11:41 | 338 |
| C1.1 | 10:13 | 10:17 | 10:20 | 339 |
| C3.4 | 06:22 | 06:36 | 06:45 | 339 |
| C2.2 | 04:13 | 04:22 | 04:35 | 339 |
| M5.1 | 01:39 | 02:06 | 02:15 | 338 |