Solar flares on November 21, 2011
The most powerful solar flare in 24 hours
C3.1 (normal) flare - November 21 at 12:10 AM
Solar activity index
Value as of the end of the day on November 21, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from November 20, 2011 to November 21, 2011
Time zone — UTC+00 (London)
List of solar flares for November 21, 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 | 18:19 | 18:28 | 18:36 | 1356 |
| C1.8 | 04:48 | 04:53 | 04:58 | 1354 |
| C3.1 | 00:03 | 00:10 | 00:13 | — |