Solar flares on November 20, 2011
The most powerful solar flare in 24 hours
C6.1 (normal) flare - November 20 at 11:47 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+07 (Tomsk)
List of solar flares for November 20, 2011
The total number of solar flares of class C and higher — 13 flares
C class — 13 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C6.1 | 23:35 | 23:47 | 00:07 | 1354 |
| C1.0 | 23:11 | 23:15 | 23:19 | 1354 |
| C1.2 | 22:21 | 22:27 | 22:34 | — |
| C1.8 | 20:28 | 20:32 | 20:35 | 1356 |
| C3.0 | 18:45 | 18:55 | 19:04 | 1354 |
| C4.8 | 14:34 | 14:41 | 14:47 | 1354 |
| C1.8 | 14:16 | 14:22 | 14:27 | 1357 |
| C2.1 | 13:05 | 13:26 | 13:50 | 1354 |
| C1.7 | 11:59 | 12:09 | 12:16 | — |
| C1.5 | 06:02 | 06:07 | 06:12 | — |
| C4.5 | 05:19 | 05:28 | 05:35 | — |
| C1.6 | 03:47 | 03:52 | 03:56 | 1354 |
| C3.9 | 02:48 | 02:55 | 03:03 | 1354 |