Solar flares on September 16, 2003
The most powerful solar flare in 24 hours
M1.3 (strong) flare - September 16 at 2:24 PM
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-08 (Anchorage) — summer time
List of solar flares for September 16, 2003
The total number of solar flares of class C and higher — 5 flares
C class — 4 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.4 | 19:45 | 20:06 | 21:39 | — |
| C1.9 | 17:20 | 17:42 | 18:00 | — |
| M1.3 | 13:30 | 14:24 | 15:31 | — |
| C1.1 | 10:50 | 11:01 | 11:18 | — |
| C1.8 | 00:52 | 00:58 | 01:12 | — |