Solar flares on February 9, 2004
The most powerful solar flare in 24 hours
M1.2 (strong) flare - February 9 at 2:21 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+05:30 (Ranchi)
List of solar flares for February 9, 2004
The total number of solar flares of class C and higher — 11 flares
C class — 10 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.9 | 20:33 | 20:41 | 20:44 | 554 |
| C5.6 | 19:26 | 19:33 | 19:44 | 554 |
| C2.7 | 18:17 | 18:30 | 18:36 | 554 |
| C9.6 | 16:21 | 16:32 | 16:42 | 554 |
| C4.3 | 15:08 | 15:16 | 15:21 | 554 |
| C5.5 | 11:16 | 11:20 | 11:33 | 554 |
| C1.7 | 08:24 | 08:37 | 08:48 | 554 |
| C1.7 | 07:15 | 07:20 | 07:24 | 554 |
| C1.6 | 06:26 | 06:31 | 06:40 | 554 |
| C1.6 | 03:11 | 03:14 | 03:17 | 554 |
| M1.2 | 01:54 | 02:21 | 02:32 | 554 |