Solar flares on December 19, 2001
The most powerful solar flare in 24 hours
M1.3 (strong) flare - December 19 at 1:36 PM
Solar activity index
Value as of the end of the day on December 19, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 18, 2001 to December 19, 2001
Time zone — UTC-03:30 (Saint john's)
List of solar flares for December 19, 2001
The total number of solar flares of class C and higher — 9 flares
C class — 8 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.4 | 19:28 | 19:33 | 19:40 | — |
| C2.1 | 17:13 | 17:17 | 17:19 | 9738 |
| C2.2 | 16:05 | 16:20 | 16:38 | 9738 |
| C2.0 | 13:56 | 14:00 | 14:04 | 9739 |
| M1.3 | 13:31 | 13:36 | 13:39 | 9739 |
| C1.6 | 10:24 | 10:27 | 10:29 | 9739 |
| C5.4 | 09:26 | 09:31 | 09:33 | — |
| C3.5 | 07:05 | 07:10 | 07:12 | 9739 |
| C4.6 | 01:22 | 01:47 | 02:18 | 9742 |