Solar flares on December 19, 2003
The most powerful solar flare in 24 hours
C9.3 (normal) flare - December 19 at 9:18 AM
Solar activity index
Value as of the end of the day on December 19, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 18, 2003 to December 19, 2003
Time zone — UTC+01 (Oslo)
List of solar flares for December 19, 2003
The total number of solar flares of class C and higher — 10 flares
C class — 10 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.8 | 23:07 | 23:11 | 23:14 | 525 |
| C2.3 | 22:44 | 22:49 | 22:58 | 525 |
| C5.4 | 17:37 | 17:46 | 17:53 | 525 |
| C5.9 | 13:20 | 13:31 | 13:39 | 525 |
| C9.3 | 09:05 | 09:18 | 09:30 | 528 |
| C2.1 | 07:55 | 08:03 | 08:10 | 525 |
| C2.0 | 02:31 | 02:39 | 02:41 | — |
| C4.6 | 02:00 | 02:07 | 02:10 | 525 |
| C2.5 | 01:23 | 01:28 | 01:35 | 525 |
| C1.3 | 00:42 | 00:46 | 00:54 | — |