Solar flares on September 17, 2015
The most powerful solar flare in 24 hours
M1.1 (strong) flare - September 17 at 12:40 PM
Solar activity index
Value as of the end of the day on September 17, 2015
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 16, 2015 to September 17, 2015
Time zone — UTC+03 (Tula)
List of solar flares for September 17, 2015
The total number of solar flares of class C and higher — 13 flares
C class — 12 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.3 | 22:47 | 22:54 | 22:57 | 2415 |
| C1.6 | 22:10 | 22:22 | 22:29 | 2415 |
| C3.2 | 21:08 | 21:18 | 21:27 | 2415 |
| C1.3 | 20:16 | 20:26 | 20:52 | 2415 |
| M1.1 | 12:34 | 12:40 | 12:45 | 2415 |
| C1.3 | 11:57 | 12:06 | 12:19 | 2415 |
| C1.0 | 09:34 | 09:48 | 10:09 | — |
| C2.9 | 08:59 | 09:11 | 09:13 | 2415 |
| C4.9 | 06:11 | 06:14 | 06:17 | 2415 |
| C9.5 | 05:52 | 06:03 | 06:09 | 2415 |
| C2.4 | 04:21 | 04:29 | 04:40 | 2415 |
| C6.0 | 02:48 | 02:57 | 03:04 | 2415 |
| C1.0 | 01:15 | 01:22 | 01:34 | 2415 |