Solar flares on November 20, 2001
The most powerful solar flare in 24 hours
C5.1 (normal) flare - November 20 at 5:42 PM
Solar activity index
Value as of the end of the day on November 20, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from November 19, 2001 to November 20, 2001
Time zone — UTC+03 (Murmansk)
List of solar flares for November 20, 2001
The total number of solar flares of class C and higher — 9 flares
C class — 9 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.2 | 21:02 | 21:13 | 21:28 | — |
| C5.1 | 17:30 | 17:42 | 17:51 | 9704 |
| C1.8 | 16:35 | 16:40 | 16:49 | — |
| C2.2 | 14:05 | 14:23 | 14:35 | 9704 |
| C1.4 | 10:45 | 10:52 | 11:03 | — |
| C3.4 | 04:44 | 05:06 | 05:21 | 9704 |
| C2.1 | 03:48 | 03:56 | 04:06 | — |
| C1.7 | 02:18 | 02:24 | 02:31 | 9704 |
| C1.7 | 00:26 | 00:34 | 00:48 | — |