Solar flares on February 13, 2003
The most powerful solar flare in 24 hours
C2.3 (normal) flare - February 13 at 2:42 AM
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+05:30 (Ranchi)
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 |
|---|---|---|---|---|
| C1.8 | 10:20 | 10:32 | 10:40 | 282 |
| C2.3 | 02:31 | 02:42 | 02:53 | 282 |