Solar flares on April 11, 2002
The most powerful solar flare in 24 hours
C9.9 (normal) flare - April 11 at 5:53 AM
Solar activity index
Value as of the end of the day on April 11, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 10, 2002 to April 11, 2002
Time zone — UTC+04 (Samara)
List of solar flares for April 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 |
|---|---|---|---|---|
| C7.2 | 22:33 | 22:38 | 22:43 | — |
| C9.2 | 20:16 | 20:26 | 20:33 | 9904 |
| C2.0 | 19:53 | 19:58 | 20:05 | — |
| C3.4 | 13:24 | 13:30 | 13:36 | — |
| C2.3 | 13:01 | 13:05 | 13:11 | — |
| C4.4 | 09:59 | 10:10 | 10:20 | 9900 |
| C9.9 | 05:44 | 05:53 | 06:04 | 9893 |
| C3.2 | 02:25 | 02:42 | 02:55 | 9900 |