Solar flares on September 7, 2017
The most powerful solar flare in 24 hours
X1.3 (very strong) flare - September 7 at 4:36 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+02 (Prague) — summer time
List of solar flares for September 7, 2017
The total number of solar flares of class C and higher — 12 flares
C class — 7 | M class — 4 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| C5.4 | 23:24 | 23:37 | 23:47 | 2673 |
| C2.5 | 22:54 | 22:57 | 22:59 | 2673 |
| C4.5 | 20:40 | 20:44 | 20:49 | 2673 |
| C5.2 | 20:04 | 20:28 | 20:36 | 2673 |
| X1.3 | 16:20 | 16:36 | 16:55 | 2673 |
| C3.0 | 14:00 | 14:14 | 14:28 | 2673 |
| M7.3 | 12:11 | 12:15 | 12:18 | 2673 |
| M1.4 | 11:49 | 11:54 | 11:58 | 2673 |
| C2.3 | 11:16 | 11:20 | 11:24 | 2673 |
| C8.2 | 08:19 | 08:28 | 08:42 | 2673 |
| M2.4 | 06:59 | 07:02 | 07:08 | 2673 |
| M1.2 | 01:33 | 01:39 | 01:44 | — |