Solar flares on January 13, 2004
The most powerful solar flare in 24 hours
C2.0 (normal) flare - January 13 at 4:46 AM
Solar activity index
Value as of the end of the day on January 13, 2004
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from January 12, 2004 to January 13, 2004
Time zone — UTC+02 (Bucharest)
List of solar flares for January 13, 2004
The total number of solar flares of class C and higher — 4 flares
C class — 4 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.5 | 08:06 | 08:09 | 08:13 | 537 |
| C1.7 | 05:25 | 05:29 | 05:32 | 536 |
| C2.0 | 04:39 | 04:46 | 04:51 | 536 |
| C1.1 | 03:29 | 03:33 | 03:36 | 536 |