Solar flares on December 20, 2000
The most powerful solar flare in 24 hours
C4.7 (normal) flare - December 20 at 7:06 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+01 (Monaco)
List of solar flares for December 20, 2000
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 |
|---|---|---|---|---|
| C3.5 | 21:35 | 21:43 | 21:51 | 9279 |
| C2.6 | 20:33 | 20:38 | 20:58 | 9272 |
| C2.7 | 16:45 | 16:49 | 16:54 | 9279 |
| C2.3 | 14:35 | 14:43 | 14:58 | — |
| C2.4 | 12:38 | 13:02 | 13:23 | — |
| C4.7 | 07:01 | 07:06 | 07:27 | — |
| C3.3 | 06:10 | 06:15 | 06:20 | 9278 |
| C1.8 | 03:06 | 03:10 | 03:15 | 9278 |
| C1.7 | 01:53 | 01:56 | 02:00 | — |