Solar flares on September 27, 2015
The most powerful solar flare in 24 hours
M1.9 (strong) flare - September 27 at 11:40 AM
Solar activity index
Value as of the end of the day on September 27, 2015
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 26, 2015 to September 27, 2015
Time zone — UTC+01 (London) — summer time
List of solar flares for September 27, 2015
The total number of solar flares of class C and higher — 14 flares
C class — 12 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.0 | 21:54 | 22:00 | 22:15 | 2422 |
| C9.3 | 20:44 | 20:58 | 21:05 | 2422 |
| C4.1 | 19:35 | 19:53 | 20:02 | 2423 |
| C4.2 | 18:41 | 18:46 | 18:50 | 2422 |
| C4.3 | 17:39 | 17:49 | 17:55 | 2422 |
| C2.0 | 17:12 | 17:16 | 17:28 | 2422 |
| C5.4 | 16:30 | 16:38 | 16:43 | 2422 |
| C2.2 | 14:41 | 14:46 | 14:51 | 2422 |
| C1.4 | 14:30 | 14:34 | 14:38 | 2423 |
| C2.4 | 13:47 | 13:52 | 14:02 | 2422 |
| C2.4 | 13:20 | 13:26 | 13:29 | 2422 |
| M1.9 | 11:20 | 11:40 | 11:46 | 2422 |
| C2.1 | 08:50 | 08:58 | 09:06 | 2422 |
| C1.9 | 06:56 | 07:02 | 07:07 | 2422 |