Solar flares on November 21, 2013
The most powerful solar flare in 24 hours
M1.2 (strong) flare - November 21 at 12:11 PM
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+01 (Amsterdam)
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 | 22:43 | 22:51 | 23:00 | 1893 |
| C1.1 | 21:44 | 21:51 | 22:02 | 1905 |
| M1.2 | 11:52 | 12:11 | 12:42 | 1893 |
| C1.8 | 10:03 | 10:08 | 10:15 | 1897 |