Solar flares on September 27, 2023
The most powerful solar flare in 24 hours
C5.3 (normal) flare - September 27 at 6:19 PM
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-06 (Cheyenne) — 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 |
|---|---|---|---|---|
| C3.0 | 21:58 | 22:03 | 22:07 | 3450 |
| C1.5 | 21:48 | 21:53 | 21:58 | 3450 |
| C5.3 | 18:10 | 18:19 | 18:23 | 3450 |
| C1.4 | 17:02 | 17:10 | 17:14 | — |
| C3.5 | 12:29 | 12:32 | 12:38 | 3449 |
| C2.0 | 09:13 | 09:22 | 09:34 | 3450 |
| C2.1 | 04:04 | 04:12 | 04:21 | — |
| C2.6 | 03:41 | 03:47 | 03:52 | 3449 |