Solar flares on October 19, 2003
The most powerful solar flare in 24 hours
X1.1 (very strong) flare - October 19 at 4:50 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+00
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 |
|---|---|---|---|---|
| C3.8 | 22:45 | 22:49 | 22:53 | 484 |
| M1.0 | 19:21 | 19:26 | 19:30 | 484 |
| X1.1 | 16:29 | 16:50 | 17:04 | 484 |
| C1.6 | 13:31 | 13:35 | 13:38 | — |
| C1.3 | 08:06 | 08:09 | 08:13 | 484 |
| M1.9 | 06:08 | 06:26 | 06:41 | 484 |