Solar flares on December 17, 2002
The most powerful solar flare in 24 hours
M1.6 (strong) flare - December 17 at 6:35 PM
Solar activity index
Value as of the end of the day on December 17, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 16, 2002 to December 17, 2002
Time zone — UTC-05 (Washington)
List of solar flares for December 17, 2002
The total number of solar flares of class C and higher — 10 flares
C class — 9 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C6.9 | 21:29 | 21:33 | 21:36 | 226 |
| C3.5 | 21:21 | 21:25 | 21:27 | 224 |
| M1.6 | 17:57 | 18:35 | 18:45 | 226 |
| C6.4 | 14:23 | 14:30 | 14:39 | 226 |
| C3.1 | 13:17 | 13:21 | 13:24 | — |
| C5.9 | 05:00 | 05:06 | 05:09 | 227 |
| C4.1 | 02:47 | 03:02 | 03:30 | 227 |
| C2.2 | 01:34 | 01:37 | 01:39 | 226 |
| C3.5 | 00:49 | 00:54 | 01:03 | 229 |
| C5.3 | 23:59 | 00:06 | 00:13 | 227 |