Solar flares on February 9, 2004
The most powerful solar flare in 24 hours
C9.6 (normal) flare - February 9 at 11:02 AM
Solar activity index
Value as of the end of the day on February 9, 2004
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from February 8, 2004 to February 9, 2004
Time zone — UTC+00 (London)
List of solar flares for February 9, 2004
The total number of solar flares of class C and higher — 9 flares
C class — 9 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.9 | 15:03 | 15:11 | 15:14 | 554 |
| C5.6 | 13:56 | 14:03 | 14:14 | 554 |
| C2.7 | 12:47 | 13:00 | 13:06 | 554 |
| C9.6 | 10:51 | 11:02 | 11:12 | 554 |
| C4.3 | 09:38 | 09:46 | 09:51 | 554 |
| C5.5 | 05:46 | 05:50 | 06:03 | 554 |
| C1.7 | 02:54 | 03:07 | 03:18 | 554 |
| C1.7 | 01:45 | 01:50 | 01:54 | 554 |
| C1.6 | 00:56 | 01:01 | 01:10 | 554 |