Solar flares on November 20, 2011
The most powerful solar flare in 24 hours
C6.1 (normal) flare - November 20 at 4:47 PM
Solar activity index
Value as of the end of the day on November 20, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from November 19, 2011 to November 20, 2011
Time zone — UTC+00 (London)
List of solar flares for November 20, 2011
The total number of solar flares of class C and higher — 11 flares
C class — 11 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.1 | 22:59 | 23:05 | 23:13 | 1354 |
| C1.4 | 17:54 | 17:57 | 18:00 | — |
| C6.1 | 16:35 | 16:47 | 17:07 | 1354 |
| C1.0 | 16:11 | 16:15 | 16:19 | 1354 |
| C1.2 | 15:21 | 15:27 | 15:34 | — |
| C1.8 | 13:28 | 13:32 | 13:35 | 1356 |
| C3.0 | 11:45 | 11:55 | 12:04 | 1354 |
| C4.8 | 07:34 | 07:41 | 07:47 | 1354 |
| C1.8 | 07:16 | 07:22 | 07:27 | 1357 |
| C2.1 | 06:05 | 06:26 | 06:50 | 1354 |
| C1.7 | 04:59 | 05:09 | 05:16 | — |