Solar flares on December 9, 2013
The most powerful solar flare in 24 hours
C2.9 (normal) flare - December 9 at 4:30 AM
Solar activity index
Value as of the end of the day on December 9, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 8, 2013 to December 9, 2013
Time zone — UTC-07 (Boise)
List of solar flares for December 9, 2013
The total number of solar flares of class C and higher — 5 flares
C class — 5 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.9 | 11:03 | 11:08 | 11:10 | — |
| C2.6 | 09:51 | 09:56 | 10:02 | 1921 |
| C1.8 | 08:49 | 08:52 | 08:55 | 1920 |
| C2.3 | 05:33 | 06:21 | 06:52 | — |
| C2.9 | 04:15 | 04:30 | 04:48 | 1917 |