Solar flares on October 19, 2003
The most powerful solar flare in 24 hours
X1.1 (very strong) flare - October 19 at 6:50 PM
Solar activity index
Value as of the end of the day on October 19, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 18, 2003 to October 19, 2003
Time zone — UTC+02 (Prague) — summer time
List of solar flares for October 19, 2003
The total number of solar flares of class C and higher — 6 flares
C class — 3 | M class — 2 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.0 | 21:21 | 21:26 | 21:30 | 484 |
| X1.1 | 18:29 | 18:50 | 19:04 | 484 |
| C1.6 | 15:31 | 15:35 | 15:38 | — |
| C1.3 | 10:06 | 10:09 | 10:13 | 484 |
| M1.9 | 08:08 | 08:26 | 08:41 | 484 |
| C6.5 | 00:14 | 00:18 | 00:20 | 484 |