Solar flares on October 17, 2013
The most powerful solar flare in 24 hours
M1.2 (strong) flare - October 17 at 6:41 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+03 (Moscow)
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 | 18:09 | 18:41 | 18:58 | 1861 |
| C4.8 | 14:47 | 15:04 | 15:15 | 1861 |
| C5.8 | 13:25 | 13:32 | 13:37 | 1861 |
| C1.2 | 09:07 | 09:12 | 09:17 | 1861 |
| C4.7 | 06:20 | 06:28 | 06:35 | — |
| C1.4 | 02:11 | 02:28 | 02:39 | 1861 |