Solar flares on December 4, 2011
The most powerful solar flare in 24 hours
C4.8 (normal) flare - December 4 at 4:15 PM
Solar activity index
Value as of the end of the day on December 4, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 3, 2011 to December 4, 2011
Time zone — UTC+00 (London)
List of solar flares for December 4, 2011
The total number of solar flares of class C and higher — 3 flares
C class — 3 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.3 | 19:37 | 19:49 | 20:03 | 1367 |
| C4.8 | 16:05 | 16:15 | 16:22 | 1362 |
| C1.2 | 08:30 | 08:37 | 08:45 | — |