Solar flares on November 20, 2011
The most powerful solar flare in 24 hours
C6.1 (normal) flare - November 20 at 9:47 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+05 (Salekhard)
List of solar flares for November 20, 2011
The total number of solar flares of class C and higher — 14 flares
C class — 14 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.4 | 22:54 | 22:57 | 23:00 | — |
| C6.1 | 21:35 | 21:47 | 22:07 | 1354 |
| C1.0 | 21:11 | 21:15 | 21:19 | 1354 |
| C1.2 | 20:21 | 20:27 | 20:34 | — |
| C1.8 | 18:28 | 18:32 | 18:35 | 1356 |
| C3.0 | 16:45 | 16:55 | 17:04 | 1354 |
| C4.8 | 12:34 | 12:41 | 12:47 | 1354 |
| C1.8 | 12:16 | 12:22 | 12:27 | 1357 |
| C2.1 | 11:05 | 11:26 | 11:50 | 1354 |
| C1.7 | 09:59 | 10:09 | 10:16 | — |
| C1.5 | 04:02 | 04:07 | 04:12 | — |
| C4.5 | 03:19 | 03:28 | 03:35 | — |
| C1.6 | 01:47 | 01:52 | 01:56 | 1354 |
| C3.9 | 00:48 | 00:55 | 01:03 | 1354 |