Solar flares on October 17, 2013
The most powerful solar flare in 24 hours
M1.2 (strong) flare - October 17 at 11:41 AM
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-04 (Washington) — summer time
List of solar flares for October 17, 2013
The total number of solar flares of class C and higher — 8 flares
C class — 7 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.5 | 23:24 | 23:27 | 23:30 | 1861 |
| C3.3 | 23:02 | 23:07 | 23:10 | — |
| C2.7 | 20:56 | 21:01 | 21:04 | 1875 |
| C1.6 | 18:18 | 18:24 | 18:32 | — |
| M1.2 | 11:09 | 11:41 | 11:58 | 1861 |
| C4.8 | 07:47 | 08:04 | 08:15 | 1861 |
| C5.8 | 06:25 | 06:32 | 06:37 | 1861 |
| C1.2 | 02:07 | 02:12 | 02:17 | 1861 |