Solar flares on July 13, 2002
The most powerful solar flare in 24 hours
M1.1 (strong) flare - July 13 at 1:08 AM
Solar activity index
Value as of the end of the day on July 13, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 12, 2002 to July 13, 2002
Time zone — UTC+01 (Dublin) — summer time
List of solar flares for July 13, 2002
The total number of solar flares of class C and higher — 8 flares
C class — 7 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.2 | 09:12 | 09:15 | 09:18 | 30 |
| C1.6 | 08:50 | 08:53 | 08:55 | 30 |
| C1.7 | 06:50 | 06:54 | 06:56 | 30 |
| C1.4 | 05:01 | 05:06 | 05:11 | 30 |
| C1.6 | 04:30 | 04:34 | 04:37 | — |
| C6.7 | 01:44 | 01:50 | 01:55 | 30 |
| M1.1 | 00:54 | 01:08 | 01:20 | 30 |
| C2.1 | 00:21 | 00:26 | 00:30 | 30 |