Solar flares on November 20, 2003
The most powerful solar flare in 24 hours
M5.8 (strong) flare - November 20 at 6:53 PM
Solar activity index
Value as of the end of the day on November 20, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from November 19, 2003 to November 20, 2003
Time zone — UTC-05 (Thunder bay)
List of solar flares for November 20, 2003
The total number of solar flares of class C and higher — 4 flares
C class — 3 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.0 | 21:30 | 21:33 | 21:37 | — |
| M5.8 | 18:42 | 18:53 | 18:58 | 501 |
| C1.3 | 17:42 | 17:58 | 18:03 | — |
| C8.6 | 14:08 | 14:29 | 14:37 | — |