Solar flares on December 12, 2002
The most powerful solar flare in 24 hours
C8.3 (normal) flare - December 12 at 12:39 PM
Solar activity index
Value as of the end of the day on December 12, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 11, 2002 to December 12, 2002
Time zone — UTC+00 (London)
List of solar flares for December 12, 2002
The total number of solar flares of class C and higher — 3 flares
C class — 3 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C8.3 | 12:33 | 12:39 | 12:42 | — |
| C5.8 | 11:21 | 11:43 | 12:23 | — |
| C4.2 | 08:02 | 08:17 | 08:32 | — |