Solar flares on July 23, 2002
The most powerful solar flare in 24 hours
C4.5 (normal) flare - July 23 at 8:21 PM
Solar activity index
Value as of the end of the day on July 23, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 22, 2002 to July 23, 2002
Time zone — UTC-07 (Phoenix)
List of solar flares for July 23, 2002
The total number of solar flares of class C and higher — 10 flares
C class — 10 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.5 | 20:17 | 20:21 | 20:24 | 39 |
| C3.6 | 19:42 | 19:46 | 19:48 | — |
| C2.5 | 18:01 | 18:04 | 18:06 | — |
| C2.0 | 17:29 | 17:33 | 17:39 | — |
| C2.6 | 15:49 | 15:56 | 16:01 | 44 |
| C3.0 | 13:34 | 13:50 | 14:02 | 36 |
| C2.9 | 05:18 | 05:23 | 05:30 | — |
| C2.8 | 03:50 | 04:05 | 04:21 | 36 |
| C4.0 | 01:40 | 02:06 | 02:12 | 35 |
| C3.7 | 00:22 | 01:14 | 01:33 | — |