Solar flares on February 9, 2002
The most powerful solar flare in 24 hours
C3.1 (normal) flare - February 9 at 11:41 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+00
List of solar flares for February 9, 2002
The total number of solar flares of class C and higher — 10 flares
C class — 10 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.1 | 22:55 | 23:41 | 00:04 | 9821 |
| C2.0 | 22:38 | 22:47 | 22:52 | — |
| C1.7 | 22:21 | 22:23 | 22:27 | — |
| C1.5 | 20:58 | 21:00 | 21:03 | 9821 |
| C1.7 | 19:40 | 19:44 | 19:47 | 9811 |
| C1.5 | 14:27 | 14:31 | 14:46 | — |
| C1.6 | 11:09 | 11:22 | 11:41 | — |
| C2.2 | 09:28 | 09:36 | 09:44 | 9821 |
| C2.6 | 08:11 | 08:17 | 08:34 | 9822 |
| C2.2 | 05:24 | 05:35 | 05:53 | — |