Solar flares on April 11, 2003
The most powerful solar flare in 24 hours
C7.4 (normal) flare - April 11 at 8:30 AM
Solar activity index
Value as of the end of the day on April 11, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 10, 2003 to April 11, 2003
Time zone — UTC+01 (London) — summer time
List of solar flares for April 11, 2003
The total number of solar flares of class C and higher — 2 flares
C class — 2 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C7.4 | 08:23 | 08:30 | 08:32 | — |
| C1.4 | 05:36 | 05:40 | 05:42 | — |