Solar flares on September 23, 2015
The most powerful solar flare in 24 hours
C3.2 (normal) flare - September 23 at 7:57 PM
Solar activity index
Value as of the end of the day on September 23, 2015
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 22, 2015 to September 23, 2015
Time zone — UTC+01 (London) — summer time
List of solar flares for September 23, 2015
The total number of solar flares of class C and higher — 7 flares
C class — 7 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.1 | 20:34 | 20:48 | 21:01 | 2422 |
| C3.2 | 19:54 | 19:57 | 20:01 | 2422 |
| C1.5 | 15:41 | 15:48 | 15:54 | 2422 |
| C1.2 | 12:34 | 12:38 | 12:41 | 2422 |
| C1.8 | 10:54 | 11:02 | 11:06 | 2415 |
| C2.9 | 08:23 | 08:30 | 08:34 | 2415 |
| C1.6 | 06:07 | 06:19 | 06:23 | — |