Solar flares on December 15, 2011
The most powerful solar flare in 24 hours
C1.9 (normal) flare - December 15 at 1:47 AM
Solar activity index
Value as of the end of the day on December 15, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 14, 2011 to December 15, 2011
Time zone — UTC+03 (Murmansk)
List of solar flares for December 15, 2011
The total number of solar flares of class C and higher — 2 flares
C class — 2 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.3 | 08:31 | 09:36 | 10:00 | — |
| C1.9 | 01:38 | 01:47 | 01:56 | 1367 |