Solar flares on July 23, 2001
The most powerful solar flare in 24 hours
C5.0 (normal) flare - July 23 at 7:23 AM
Solar activity index
Value as of the end of the day on July 23, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 22, 2001 to July 23, 2001
Time zone — UTC+01 (Dublin) — summer time
List of solar flares for July 23, 2001
The total number of solar flares of class C and higher — 8 flares
C class — 8 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.3 | 23:37 | 23:41 | 23:44 | 9543 |
| C1.2 | 22:55 | 22:57 | 23:03 | — |
| C1.0 | 22:03 | 22:07 | 22:09 | — |
| C1.4 | 19:15 | 19:28 | 19:32 | 9543 |
| C1.0 | 18:11 | 18:15 | 18:18 | — |
| C3.9 | 15:22 | 15:26 | 15:28 | — |
| C1.6 | 14:09 | 14:12 | 14:19 | 9545 |
| C5.0 | 07:19 | 07:23 | 07:25 | 9545 |