Solar flares on January 12, 2004
The most powerful solar flare in 24 hours
C1.8 (normal) flare - January 12 at 8:40 AM
Solar activity index
Value as of the end of the day on January 12, 2004
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from January 11, 2004 to January 12, 2004
Time zone — UTC+00
List of solar flares for January 12, 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 |
|---|---|---|---|---|
| C1.1 | 19:12 | 19:17 | 19:23 | 540 |
| C1.1 | 15:02 | 15:06 | 15:12 | 536 |
| C1.8 | 08:34 | 08:40 | 08:44 | 536 |
| C1.6 | 03:43 | 03:48 | 03:52 | 536 |