Solar flares on September 16, 2003
The most powerful solar flare in 24 hours
C2.5 (normal) flare - September 16 at 4:18 AM
Solar activity index
Value as of the end of the day on September 16, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 15, 2003 to September 16, 2003
Time zone — UTC+02 (Brussels) — summer time
List of solar flares for September 16, 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 |
|---|---|---|---|---|
| C1.1 | 20:50 | 21:01 | 21:18 | — |
| C1.8 | 10:52 | 10:58 | 11:12 | — |
| C1.4 | 07:18 | 07:25 | 07:31 | — |
| C2.5 | 04:11 | 04:18 | 04:21 | — |
| C1.5 | 00:57 | 01:01 | 01:06 | — |
| C1.0 | 00:00 | 00:14 | 00:20 | — |