Solar flares on December 17, 2002
The most powerful solar flare in 24 hours
M2.4 (strong) flare - December 17 at 9:42 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-09 (Anchorage)
List of solar flares for December 17, 2002
The total number of solar flares of class C and higher — 8 flares
C class — 6 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M2.4 | 21:31 | 21:42 | 21:56 | 226 |
| C1.6 | 20:40 | 20:45 | 20:52 | 224 |
| C6.9 | 17:29 | 17:33 | 17:36 | 226 |
| C3.5 | 17:21 | 17:25 | 17:27 | 224 |
| M1.6 | 13:57 | 14:35 | 14:45 | 226 |
| C6.4 | 10:23 | 10:30 | 10:39 | 226 |
| C3.1 | 09:17 | 09:21 | 09:24 | — |
| C5.9 | 01:00 | 01:06 | 01:09 | 227 |