Solar flares on February 13, 2003
The most powerful solar flare in 24 hours
C2.2 (normal) flare - February 13 at 11:32 PM
Solar activity index
Value as of the end of the day on February 13, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from February 12, 2003 to February 13, 2003
Time zone — UTC+00 (London)
List of solar flares for February 13, 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 |
|---|---|---|---|---|
| C2.2 | 23:24 | 23:32 | 23:37 | 284 |
| C1.8 | 04:50 | 05:02 | 05:10 | 282 |