Solar flares on September 8, 2017
The most powerful solar flare in 24 hours
M8.1 (strong) flare - September 8 at 9:49 AM
Solar activity index
Value as of the end of the day on September 8, 2017
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 7, 2017 to September 8, 2017
Time zone — UTC+02 (Bern) — summer time
List of solar flares for September 8, 2017
The total number of solar flares of class C and higher — 20 flares
C class — 15 | M class — 5 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.7 | 22:10 | 22:14 | 22:16 | 2673 |
| C1.7 | 20:15 | 20:18 | 20:20 | 2673 |
| M2.9 | 17:09 | 17:47 | 18:04 | 2673 |
| C1.2 | 14:29 | 14:33 | 14:40 | 2673 |
| C5.9 | 14:09 | 14:13 | 14:15 | 2673 |
| C1.7 | 13:21 | 13:27 | 13:34 | 2673 |
| C1.6 | 12:45 | 12:49 | 12:51 | 2673 |
| C1.3 | 11:36 | 11:39 | 11:41 | 2673 |
| M8.1 | 09:40 | 09:49 | 09:58 | 2673 |
| C6.0 | 09:04 | 09:08 | 09:10 | 2673 |
| C1.7 | 08:35 | 08:38 | 08:41 | 2673 |
| C2.9 | 08:24 | 08:27 | 08:29 | 2673 |
| C8.3 | 07:31 | 07:48 | 07:53 | 2673 |
| M1.2 | 05:39 | 05:43 | 05:45 | 2673 |
| C1.4 | 05:30 | 05:34 | 05:37 | 2673 |
| M1.3 | 04:19 | 04:24 | 04:29 | 2673 |
| C1.2 | 04:10 | 04:13 | 04:15 | 2673 |
| C5.3 | 03:36 | 03:40 | 03:42 | 2673 |
| M3.9 | 01:50 | 01:59 | 02:14 | 2673 |
| C2.7 | 00:57 | 01:00 | 01:02 | 2677 |