Solar flares on October 17, 2013
The most powerful solar flare in 24 hours
C5.8 (normal) flare - October 17 at 7:32 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+09 (Neryungri)
List of solar flares for October 17, 2013
The total number of solar flares of class C and higher — 9 flares
C class — 9 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.8 | 20:47 | 21:04 | 21:15 | 1861 |
| C5.8 | 19:25 | 19:32 | 19:37 | 1861 |
| C1.2 | 15:07 | 15:12 | 15:17 | 1861 |
| C4.7 | 12:20 | 12:28 | 12:35 | — |
| C1.4 | 08:11 | 08:28 | 08:39 | 1861 |
| C1.2 | 05:39 | 05:51 | 06:07 | — |
| C1.9 | 02:39 | 02:43 | 02:46 | 1867 |
| C1.6 | 01:23 | 01:38 | 01:44 | — |
| C1.8 | 00:03 | 00:20 | 00:34 | 1870 |