Solar flares on September 15, 2003
The most powerful solar flare in 24 hours
C2.9 (normal) flare - September 15 at 2:50 PM
Solar activity index
Value as of the end of the day on September 15, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 14, 2003 to September 15, 2003
Time zone — UTC+00
List of solar flares for September 15, 2003
The total number of solar flares of class C and higher — 6 flares
C class — 6 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.5 | 22:57 | 23:01 | 23:06 | — |
| C1.0 | 22:00 | 22:14 | 22:20 | — |
| C1.5 | 16:36 | 16:40 | 16:44 | — |
| C2.9 | 14:27 | 14:50 | 14:58 | — |
| C1.0 | 04:56 | 05:01 | 05:14 | — |
| C1.9 | 00:55 | 01:01 | 01:06 | 456 |