Solar flares on December 20, 2014
The most powerful solar flare in 24 hours
X1.8 (very strong) flare - December 20 at 9:28 AM
Solar activity index
Value as of the end of the day on December 20, 2014
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 19, 2014 to December 20, 2014
Time zone — UTC+09 (Neryungri)
List of solar flares for December 20, 2014
The total number of solar flares of class C and higher — 8 flares
C class — 7 | M class — 0 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.3 | 20:36 | 20:41 | 20:48 | 2242 |
| X1.8 | 09:11 | 09:28 | 09:55 | 2242 |
| C3.2 | 07:26 | 07:30 | 07:33 | 2242 |
| C1.7 | 06:34 | 06:38 | 06:45 | 2242 |
| C9.5 | 02:35 | 03:45 | 04:30 | 2242 |
| C2.8 | 02:22 | 02:25 | 02:29 | 2242 |
| C5.3 | 01:24 | 01:32 | 01:42 | 2242 |
| C2.7 | 01:06 | 01:10 | 01:13 | 2242 |