Solar flares on November 20, 2011
The most powerful solar flare in 24 hours
C6.1 (normal) flare - November 20 at 9:47 AM
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-07 (Denver)
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 |
|---|---|---|---|---|
| C1.8 | 21:48 | 21:53 | 21:58 | 1354 |
| C3.1 | 17:03 | 17:10 | 17:13 | — |
| C2.1 | 15:59 | 16:05 | 16:13 | 1354 |
| C1.4 | 10:54 | 10:57 | 11:00 | — |
| C6.1 | 09:35 | 09:47 | 10:07 | 1354 |
| C1.0 | 09:11 | 09:15 | 09:19 | 1354 |
| C1.2 | 08:21 | 08:27 | 08:34 | — |
| C1.8 | 06:28 | 06:32 | 06:35 | 1356 |
| C3.0 | 04:45 | 04:55 | 05:04 | 1354 |
| C4.8 | 00:34 | 00:41 | 00:47 | 1354 |
| C1.8 | 00:16 | 00:22 | 00:27 | 1357 |