Solar flares on February 9, 2002
The most powerful solar flare in 24 hours
C3.1 (normal) flare - February 9 at 7:41 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-04 (Halifax)
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 | 22:00 | 22:17 | 22:24 | — |
| C1.9 | 21:08 | 21:15 | 21:19 | 9821 |
| C2.8 | 20:09 | 20:25 | 20:36 | — |
| C3.1 | 18:55 | 19:41 | 20:04 | 9821 |
| C2.0 | 18:38 | 18:47 | 18:52 | — |
| C1.7 | 18:21 | 18:23 | 18:27 | — |
| C1.5 | 16:58 | 17:00 | 17:03 | 9821 |
| C1.7 | 15:40 | 15:44 | 15:47 | 9811 |
| C1.5 | 10:27 | 10:31 | 10:46 | — |
| C1.6 | 07:09 | 07:22 | 07:41 | — |
| C2.2 | 05:28 | 05:36 | 05:44 | 9821 |
| C2.6 | 04:11 | 04:17 | 04:34 | 9822 |
| C2.2 | 01:24 | 01:35 | 01:53 | — |