Solar flares on September 19, 2003
The most powerful solar flare in 24 hours
C3.0 (normal) flare - September 19 at 9:12 PM
Solar activity index
Value as of the end of the day on September 19, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 18, 2003 to September 19, 2003
Time zone — UTC-08 (Anchorage) — summer time
List of solar flares for September 19, 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 |
|---|---|---|---|---|
| C1.7 | 22:30 | 22:45 | 23:05 | — |
| C3.0 | 21:03 | 21:12 | 21:15 | — |
| C1.1 | 20:38 | 20:48 | 20:52 | — |
| C1.6 | 10:12 | 10:20 | 10:28 | — |