Solar flares on September 28, 2015
The most powerful solar flare in 24 hours
M7.6 (strong) flare - September 28 at 8:28 PM
Solar activity index
Value as of the end of the day on September 28, 2015
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 27, 2015 to September 28, 2015
Time zone — UTC+05:30 (Ranchi)
List of solar flares for September 28, 2015
The total number of solar flares of class C and higher — 17 flares
C class — 12 | M class — 5 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.8 | 22:38 | 22:41 | 22:44 | 2422 |
| C3.4 | 22:12 | 22:15 | 22:17 | 2422 |
| M7.6 | 20:23 | 20:28 | 20:33 | 2422 |
| C9.8 | 19:42 | 20:03 | 20:15 | 2422 |
| M1.1 | 18:31 | 18:48 | 18:59 | 2422 |
| C5.4 | 18:00 | 18:06 | 18:19 | — |
| C8.1 | 17:22 | 17:27 | 17:30 | — |
| C8.5 | 16:51 | 17:02 | 17:20 | 2422 |
| C3.7 | 14:17 | 14:34 | 14:42 | 2423 |
| M1.1 | 12:57 | 13:05 | 13:16 | 2422 |
| C4.5 | 11:51 | 12:24 | 12:38 | 2423 |
| C2.0 | 09:44 | 11:01 | 11:28 | 2423 |
| M3.6 | 09:15 | 09:25 | 09:29 | 2423 |
| C7.9 | 04:46 | 04:51 | 04:56 | 2422 |
| M1.0 | 02:24 | 02:30 | 02:45 | 2422 |
| C9.3 | 01:14 | 01:28 | 01:35 | 2422 |
| C4.1 | 00:05 | 00:23 | 00:32 | 2423 |