Solar flares on November 21, 2003
The most powerful solar flare in 24 hours
M5.8 (strong) flare - November 21 at 7:53 AM
Solar activity index
Value as of the end of the day on November 21, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from November 20, 2003 to November 21, 2003
Time zone — UTC+08 (Irkutsk)
List of solar flares for November 21, 2003
The total number of solar flares of class C and higher — 6 flares
C class — 5 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.0 | 20:49 | 20:53 | 20:57 | — |
| C4.3 | 17:37 | 17:43 | 17:45 | 506 |
| C1.0 | 10:30 | 10:33 | 10:37 | — |
| M5.8 | 07:42 | 07:53 | 07:58 | 501 |
| C1.3 | 06:42 | 06:58 | 07:03 | — |
| C8.6 | 03:08 | 03:29 | 03:37 | — |