Solar flares on April 23, 2004
The most powerful solar flare in 24 hours
M1.5 (strong) flare - April 23 at 2:50 PM
Solar activity index
Value as of the end of the day on April 23, 2004
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 22, 2004 to April 23, 2004
Time zone — UTC+03 (Arkhangelsk)
List of solar flares for April 23, 2004
The total number of solar flares of class C and higher — 15 flares
C class — 14 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.6 | 22:03 | 22:06 | 22:10 | 597 |
| C4.8 | 20:21 | 20:31 | 20:34 | 597 |
| C3.9 | 18:58 | 19:05 | 19:11 | 597 |
| C1.4 | 17:34 | 17:37 | 17:40 | 597 |
| C5.1 | 14:59 | 15:03 | 15:05 | 597 |
| M1.5 | 14:41 | 14:50 | 14:52 | 597 |
| C4.0 | 13:39 | 13:44 | 13:47 | 597 |
| C3.0 | 12:44 | 12:47 | 12:52 | 597 |
| C4.4 | 12:25 | 12:30 | 12:32 | 597 |
| C6.1 | 10:43 | 10:56 | 11:01 | 597 |
| C1.2 | 10:16 | 10:19 | 10:25 | 597 |
| C1.8 | 09:33 | 09:50 | 10:01 | 597 |
| C1.9 | 07:50 | 07:56 | 08:01 | 597 |
| C1.1 | 04:14 | 04:19 | 04:24 | 597 |
| C1.6 | 02:46 | 03:15 | 03:20 | 597 |