Solar flares on August 17, 2013
The most powerful solar flare in 24 hours
M3.3 (strong) flare - August 17 at 3:54 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-02:30 (Saint john's) — 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 | 16:19 | 17:03 | 17:24 | 1818 |
| M3.3 | 15:46 | 15:54 | 16:05 | 1818 |
| C1.8 | 10:57 | 11:19 | 11:54 | — |
| C1.3 | 00:55 | 01:00 | 01:06 | 1818 |