Solar flares on February 9, 2002
The most powerful solar flare in 24 hours
C3.1 (normal) flare - February 9 at 6:41 PM
Solar activity index
Value as of the end of the day on February 9, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from February 8, 2002 to February 9, 2002
Time zone — UTC-05 (Kapuskasing)
List of solar flares for February 9, 2002
The total number of solar flares of class C and higher — 13 flares
C class — 13 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.3 | 21:00 | 21:17 | 21:24 | — |
| C1.9 | 20:08 | 20:15 | 20:19 | 9821 |
| C2.8 | 19:09 | 19:25 | 19:36 | — |
| C3.1 | 17:55 | 18:41 | 19:04 | 9821 |
| C2.0 | 17:38 | 17:47 | 17:52 | — |
| C1.7 | 17:21 | 17:23 | 17:27 | — |
| C1.5 | 15:58 | 16:00 | 16:03 | 9821 |
| C1.7 | 14:40 | 14:44 | 14:47 | 9811 |
| C1.5 | 09:27 | 09:31 | 09:46 | — |
| C1.6 | 06:09 | 06:22 | 06:41 | — |
| C2.2 | 04:28 | 04:36 | 04:44 | 9821 |
| C2.6 | 03:11 | 03:17 | 03:34 | 9822 |
| C2.2 | 00:24 | 00:35 | 00:53 | — |