Solar flares on October 17, 2013
The most powerful solar flare in 24 hours
M1.2 (strong) flare - October 17 at 5:41 PM
Solar activity index
Value as of the end of the day on October 17, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 16, 2013 to October 17, 2013
Time zone — UTC+02 (Oslo) — summer time
List of solar flares for October 17, 2013
The total number of solar flares of class C and higher — 6 flares
C class — 5 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.2 | 17:09 | 17:41 | 17:58 | 1861 |
| C4.8 | 13:47 | 14:04 | 14:15 | 1861 |
| C5.8 | 12:25 | 12:32 | 12:37 | 1861 |
| C1.2 | 08:07 | 08:12 | 08:17 | 1861 |
| C4.7 | 05:20 | 05:28 | 05:35 | — |
| C1.4 | 01:11 | 01:28 | 01:39 | 1861 |