Solar flares on April 20, 2000
The most powerful solar flare in 24 hours
C8.6 (normal) flare - April 20 at 3:33 AM
Solar activity index
Value as of the end of the day on April 20, 2000
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 19, 2000 to April 20, 2000
Time zone — UTC-07 (Phoenix)
List of solar flares for April 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 |
|---|---|---|---|---|
| C1.7 | 22:15 | 22:29 | 22:44 | 8955 |
| C1.3 | 20:23 | 20:27 | 20:34 | — |
| C1.3 | 19:34 | 19:37 | 19:47 | — |
| C2.3 | 17:54 | 17:59 | 18:02 | 8963 |
| C1.3 | 14:32 | 14:44 | 15:01 | 8955 |
| C1.3 | 13:45 | 14:03 | 14:14 | 8966 |
| C4.7 | 12:28 | 12:37 | 12:44 | 8963 |
| C8.6 | 03:24 | 03:33 | 03:43 | 8969 |
| C1.8 | 00:17 | 00:23 | 00:29 | 8967 |