Solar flares on December 20, 2000
The most powerful solar flare in 24 hours
C4.7 (normal) flare - December 20 at 6:06 AM
Solar activity index
Value as of the end of the day on December 20, 2000
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 19, 2000 to December 20, 2000
Time zone — UTC+00
List of solar flares for December 20, 2000
The total number of solar flares of class C and higher — 11 flares
C class — 11 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.5 | 23:17 | 23:32 | 00:05 | 9280 |
| C2.2 | 23:00 | 23:03 | 23:05 | 9280 |
| C3.5 | 20:35 | 20:43 | 20:51 | 9279 |
| C2.6 | 19:33 | 19:38 | 19:58 | 9272 |
| C2.7 | 15:45 | 15:49 | 15:54 | 9279 |
| C2.3 | 13:35 | 13:43 | 13:58 | — |
| C2.4 | 11:38 | 12:02 | 12:23 | — |
| C4.7 | 06:01 | 06:06 | 06:27 | — |
| C3.3 | 05:10 | 05:15 | 05:20 | 9278 |
| C1.8 | 02:06 | 02:10 | 02:15 | 9278 |
| C1.7 | 00:53 | 00:56 | 01:00 | — |