Solar flares on October 15, 2015
The most powerful solar flare in 24 hours
C3.9 (normal) flare - October 15 at 8:38 PM
Solar activity index
Value as of the end of the day on October 15, 2015
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 14, 2015 to October 15, 2015
Time zone — UTC+02 (Vaduz) — summer time
List of solar flares for October 15, 2015
The total number of solar flares of class C and higher — 13 flares
C class — 13 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.1 | 23:35 | 23:41 | 23:49 | 2434 |
| C3.4 | 21:51 | 21:56 | 21:59 | 2434 |
| C1.1 | 21:27 | 21:32 | 21:36 | 2434 |
| C1.0 | 21:10 | 21:19 | 21:24 | — |
| C3.9 | 20:31 | 20:38 | 20:41 | 2434 |
| C2.2 | 18:09 | 18:17 | 18:21 | 2434 |
| C3.6 | 15:42 | 15:49 | 15:52 | 2434 |
| C1.1 | 15:12 | 15:25 | 15:28 | 2434 |
| C1.1 | 14:22 | 14:28 | 14:31 | 2434 |
| C2.7 | 12:42 | 12:48 | 12:52 | 2434 |
| C1.1 | 09:40 | 09:46 | 09:49 | 2434 |
| C1.7 | 08:41 | 08:47 | 08:50 | 2434 |
| C1.5 | 03:22 | 03:53 | 04:30 | 2434 |