Solar flares on February 11, 2002
The most powerful solar flare in 24 hours
C2.3 (normal) flare - February 11 at 11:00 PM
Solar activity index
Value as of the end of the day on February 11, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from February 10, 2002 to February 11, 2002
Time zone — UTC+00
List of solar flares for February 11, 2002
The total number of solar flares of class C and higher — 8 flares
C class — 8 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.3 | 22:53 | 23:00 | 23:08 | 9825 |
| C1.5 | 21:40 | 21:44 | 21:47 | 9825 |
| C1.2 | 13:53 | 14:02 | 14:06 | 9821 |
| C2.0 | 09:22 | 09:29 | 09:47 | 9822 |
| C2.1 | 03:18 | 03:33 | 03:40 | 9821 |
| C1.8 | 02:02 | 02:08 | 02:14 | — |
| C2.0 | 01:22 | 01:28 | 01:35 | — |
| C1.6 | 00:44 | 00:49 | 01:18 | 9821 |