Solar flares on September 7, 2017
The most powerful solar flare in 24 hours
X1.3 (very strong) flare - September 7 at 9:36 AM
Solar activity index
Value as of the end of the day on September 7, 2017
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 6, 2017 to September 7, 2017
Time zone — UTC-05 (Montgomery) — summer time
List of solar flares for September 7, 2017
The total number of solar flares of class C and higher — 18 flares
C class — 11 | M class — 6 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.2 | 22:39 | 22:43 | 22:45 | 2673 |
| C1.4 | 22:30 | 22:34 | 22:37 | 2673 |
| M1.3 | 21:19 | 21:24 | 21:29 | 2673 |
| C1.2 | 21:10 | 21:13 | 21:15 | 2673 |
| C5.3 | 20:36 | 20:40 | 20:42 | 2673 |
| M3.9 | 18:50 | 18:59 | 19:14 | 2673 |
| C2.7 | 17:57 | 18:00 | 18:02 | 2677 |
| C5.4 | 16:24 | 16:37 | 16:47 | 2673 |
| C2.5 | 15:54 | 15:57 | 15:59 | 2673 |
| C4.5 | 13:40 | 13:44 | 13:49 | 2673 |
| C5.2 | 13:04 | 13:28 | 13:36 | 2673 |
| X1.3 | 09:20 | 09:36 | 09:55 | 2673 |
| C3.0 | 07:00 | 07:14 | 07:28 | 2673 |
| M7.3 | 05:11 | 05:15 | 05:18 | 2673 |
| M1.4 | 04:49 | 04:54 | 04:58 | 2673 |
| C2.3 | 04:16 | 04:20 | 04:24 | 2673 |
| C8.2 | 01:19 | 01:28 | 01:42 | 2673 |
| M2.4 | 23:59 | 00:02 | 00:08 | 2673 |