Solar flares on December 15, 2011
The most powerful solar flare in 24 hours
C7.0 (normal) flare - December 15 at 1:16 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+05:30 (Ranchi)
List of solar flares for December 15, 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 | 11:01 | 12:06 | 12:30 | — |
| C1.9 | 04:08 | 04:17 | 04:26 | 1367 |
| C7.0 | 01:06 | 01:16 | 01:26 | 1367 |