Solar flares on December 19, 2001
The most powerful solar flare in 24 hours
M1.3 (strong) flare - December 19 at 10:36 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+05:30 (Ranchi)
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 |
|---|---|---|---|---|
| C2.0 | 22:56 | 23:00 | 23:04 | 9739 |
| M1.3 | 22:31 | 22:36 | 22:39 | 9739 |
| C1.6 | 19:24 | 19:27 | 19:29 | 9739 |
| C5.4 | 18:26 | 18:31 | 18:33 | — |
| C3.5 | 16:05 | 16:10 | 16:12 | 9739 |
| C4.6 | 10:22 | 10:47 | 11:18 | 9742 |
| C4.9 | 07:59 | 08:02 | 08:06 | 9742 |
| C3.9 | 06:41 | 06:45 | 06:54 | 9733 |
| C3.7 | 01:29 | 01:33 | 01:37 | 9742 |