Solar flares on September 27, 2023
The most powerful solar flare in 24 hours
C4.6 (normal) flare - September 27 at 7:46 AM
Solar activity index
Value as of the end of the day on September 27, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 26, 2023 to September 27, 2023
Time zone — UTC+02 (Budapest) — summer time
List of solar flares for September 27, 2023
The total number of solar flares of class C and higher — 8 flares
C class — 8 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.5 | 20:29 | 20:32 | 20:38 | 3449 |
| C2.0 | 17:13 | 17:22 | 17:34 | 3450 |
| C2.1 | 12:04 | 12:12 | 12:21 | — |
| C2.6 | 11:41 | 11:47 | 11:52 | 3449 |
| C4.6 | 07:32 | 07:46 | 08:12 | — |
| C2.0 | 06:49 | 06:55 | 07:00 | — |
| C1.6 | 02:35 | 02:41 | 02:45 | — |
| C2.2 | 01:19 | 01:30 | 01:37 | 3435 |