Solar flares on August 17, 2013
The most powerful solar flare in 24 hours
M3.3 (strong) flare - August 17 at 7:24 PM
Solar activity index
Value as of the end of the day on August 17, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 16, 2013 to August 17, 2013
Time zone — UTC+01 (London) — summer time
List of solar flares for August 17, 2013
The total number of solar flares of class C and higher — 4 flares
C class — 2 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.4 | 19:49 | 20:33 | 20:54 | 1818 |
| M3.3 | 19:16 | 19:24 | 19:35 | 1818 |
| C1.8 | 14:27 | 14:49 | 15:24 | — |
| C1.3 | 04:25 | 04:30 | 04:36 | 1818 |