Solar flares on December 13, 2002
The most powerful solar flare in 24 hours
C8.0 (normal) flare - December 13 at 1:32 PM
Solar activity index
Value as of the end of the day on December 13, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 12, 2002 to December 13, 2002
Time zone — UTC+00 (London)
List of solar flares for December 13, 2002
The total number of solar flares of class C and higher — 9 flares
C class — 9 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.7 | 22:55 | 23:25 | 23:34 | 0 |
| C6.8 | 17:10 | 17:25 | 17:38 | — |
| C1.6 | 15:27 | 15:32 | 15:37 | — |
| C8.0 | 13:25 | 13:32 | 13:38 | — |
| C2.4 | 10:13 | 10:21 | 10:30 | — |
| C1.9 | 09:20 | 09:36 | 09:44 | — |
| C3.4 | 08:32 | 08:36 | 08:41 | 224 |
| C1.5 | 04:35 | 04:46 | 04:54 | 223 |
| C3.0 | 01:03 | 01:10 | 01:28 | 220 |