Solar flares on September 20, 2023
The most powerful solar flare in 24 hours
M8.2 (strong) flare - September 20 at 5:19 PM
Solar activity index
Value as of the end of the day on September 20, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 19, 2023 to September 20, 2023
Time zone — UTC+03 (Vologda)
List of solar flares for September 20, 2023
The total number of solar flares of class C and higher — 11 flares
C class — 10 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.3 | 23:29 | 23:38 | 23:44 | — |
| C5.5 | 21:36 | 21:40 | 21:44 | 3438 |
| C4.2 | 20:34 | 21:02 | 21:24 | 3442 |
| M8.2 | 17:11 | 17:19 | 17:25 | 3435 |
| C3.4 | 15:09 | 15:12 | 15:17 | 3438 |
| C3.1 | 12:03 | 12:10 | 12:15 | 3437 |
| C2.3 | 09:38 | 09:52 | 10:08 | 3429 |
| C3.0 | 07:27 | 07:37 | 07:46 | — |
| C9.7 | 01:21 | 01:37 | 01:47 | 3435 |
| C2.0 | 00:42 | 00:47 | 00:51 | 3436 |
| C2.7 | 23:59 | 00:09 | 00:15 | 3436 |