Solar flares on December 17, 2012
The most powerful solar flare in 24 hours
C1.3 (normal) flare - December 17 at 3:02 PM
Solar activity index
Value as of the end of the day on December 17, 2012
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 16, 2012 to December 17, 2012
Time zone — UTC+00 (London)
List of solar flares for December 17, 2012
The total number of solar flares of class C and higher — 4 flares
C class — 4 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.3 | 14:41 | 15:02 | 15:17 | 1631 |
| C1.3 | 01:32 | 02:20 | 04:39 | 1629 |
| C1.0 | 01:15 | 01:21 | 01:27 | 1632 |
| C1.3 | 00:16 | 00:27 | 00:29 | 1632 |