Solar flares on November 21, 2013
The most powerful solar flare in 24 hours
M1.2 (strong) flare - November 21 at 11:11 AM
Solar activity index
Value as of the end of the day on November 21, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from November 20, 2013 to November 21, 2013
Time zone — UTC+00 (Reykjavik)
List of solar flares for November 21, 2013
The total number of solar flares of class C and higher — 4 flares
C class — 3 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.7 | 21:43 | 21:51 | 22:00 | 1893 |
| C1.1 | 20:44 | 20:51 | 21:02 | 1905 |
| M1.2 | 10:52 | 11:11 | 11:42 | 1893 |
| C1.8 | 09:03 | 09:08 | 09:15 | 1897 |