Solar flares on September 28, 2003
The most powerful solar flare in 24 hours
C6.8 (normal) flare - September 28 at 11:58 AM
Solar activity index
Value as of the end of the day on September 28, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 27, 2003 to September 28, 2003
Time zone — UTC-04 (Quebec) — summer time
List of solar flares for September 28, 2003
The total number of solar flares of class C and higher — 4 flares
C class — 4 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.8 | 23:43 | 23:59 | 00:42 | — |
| C1.6 | 16:33 | 16:37 | 16:39 | 464 |
| C6.8 | 11:25 | 11:58 | 12:45 | 464 |
| C2.3 | 10:10 | 10:28 | 10:55 | 464 |