Solar flares on December 31, 2003
The most powerful solar flare in 24 hours
M1.0 (strong) flare - December 31 at 8:24 PM
Solar activity index
Value as of the end of the day on December 31, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 30, 2003 to December 31, 2003
Time zone — UTC+02 (Kaliningrad)
List of solar flares for December 31, 2003
The total number of solar flares of class C and higher — 4 flares
C class — 3 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.0 | 22:10 | 22:19 | 22:29 | — |
| M1.0 | 20:21 | 20:24 | 20:26 | 528 |
| C2.2 | 19:59 | 20:08 | 20:16 | — |
| C2.3 | 19:25 | 19:33 | 19:36 | — |