Solar flares on April 13, 2002
The most powerful solar flare in 24 hours
C3.6 (normal) flare - April 13 at 12:30 PM
Solar activity index
Value as of the end of the day on April 13, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 12, 2002 to April 13, 2002
Time zone — UTC+02 (Monaco) — summer time
List of solar flares for April 13, 2002
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 |
|---|---|---|---|---|
| C2.91 | 19:06 | 19:31 | 19:41 | 9901 |
| C2.3 | 18:29 | 18:38 | 18:49 | 9907 |
| C1.92 | 17:15 | 17:25 | 17:33 | 9906 |
| C2.6 | 15:31 | 15:37 | 15:42 | — |
| C3.1 | 14:08 | 14:13 | 14:20 | 9907 |
| C3.6 | 12:26 | 12:30 | 12:32 | 9900 |
| C3.2 | 12:08 | 12:13 | 12:20 | — |
| C3.3 | 07:06 | 07:30 | 07:56 | — |