Solar flares on September 15, 2003
The most powerful solar flare in 24 hours
C2.9 (normal) flare - September 15 at 6:50 AM
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-08 (Anchorage) — summer time
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 |
|---|---|---|---|---|
| C1.4 | 21:18 | 21:25 | 21:31 | — |
| C2.5 | 18:11 | 18:18 | 18:21 | — |
| C1.5 | 14:57 | 15:01 | 15:06 | — |
| C1.0 | 14:00 | 14:14 | 14:20 | — |
| C1.5 | 08:36 | 08:40 | 08:44 | — |
| C2.9 | 06:27 | 06:50 | 06:58 | — |