Solar flares on September 7, 2017
The most powerful solar flare in 24 hours
X1.3 (very strong) flare - September 7 at 2:36 PM
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+00
List of solar flares for September 7, 2017
The total number of solar flares of class C and higher — 13 flares
C class — 8 | M class — 4 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| M3.9 | 23:50 | 23:59 | 00:14 | 2673 |
| C2.7 | 22:57 | 23:00 | 23:02 | 2677 |
| C5.4 | 21:24 | 21:37 | 21:47 | 2673 |
| C2.5 | 20:54 | 20:57 | 20:59 | 2673 |
| C4.5 | 18:40 | 18:44 | 18:49 | 2673 |
| C5.2 | 18:04 | 18:28 | 18:36 | 2673 |
| X1.3 | 14:20 | 14:36 | 14:55 | 2673 |
| C3.0 | 12:00 | 12:14 | 12:28 | 2673 |
| M7.3 | 10:11 | 10:15 | 10:18 | 2673 |
| M1.4 | 09:49 | 09:54 | 09:58 | 2673 |
| C2.3 | 09:16 | 09:20 | 09:24 | 2673 |
| C8.2 | 06:19 | 06:28 | 06:42 | 2673 |
| M2.4 | 04:59 | 05:02 | 05:08 | 2673 |