Solar flares on September 20, 2003
The most powerful solar flare in 24 hours
C3.6 (normal) flare - September 20 at 9:06 PM
Solar activity index
Value as of the end of the day on September 20, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 19, 2003 to September 20, 2003
Time zone — UTC+05:30 (Aligarh)
List of solar flares for September 20, 2003
The total number of solar flares of class C and higher — 5 flares
C class — 5 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.6 | 20:54 | 21:06 | 21:27 | — |
| C1.3 | 16:04 | 17:15 | 17:46 | — |
| C1.7 | 12:00 | 12:15 | 12:35 | — |
| C3.0 | 10:33 | 10:42 | 10:45 | — |
| C1.1 | 10:08 | 10:18 | 10:22 | — |