Solar flares on September 23, 2023
The most powerful solar flare in 24 hours
M1.5 (strong) flare - September 23 at 8:43 PM
Solar activity index
Value as of the end of the day on September 23, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 22, 2023 to September 23, 2023
Time zone — UTC+00
List of solar flares for September 23, 2023
The total number of solar flares of class C and higher — 18 flares
C class — 17 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.6 | 23:00 | 23:05 | 23:09 | 3445 |
| M1.5 | 20:14 | 20:43 | 21:00 | 3436 |
| C2.8 | 19:29 | 19:38 | 19:46 | 3445 |
| C2.5 | 18:57 | 19:07 | 19:14 | 3445 |
| C8.7 | 15:07 | 15:18 | 15:27 | 3445 |
| C2.3 | 14:52 | 15:00 | 15:08 | 3443 |
| C2.8 | 13:38 | 13:45 | 13:53 | 3443 |
| C3.2 | 13:11 | 13:14 | 13:21 | 3445 |
| C3.4 | 12:40 | 12:54 | 13:03 | 3445 |
| C2.3 | 11:28 | 11:34 | 11:38 | 3445 |
| C2.7 | 11:00 | 11:04 | 11:08 | 3443 |
| C3.0 | 10:06 | 10:12 | 10:20 | 3443 |
| C7.6 | 08:55 | 09:13 | 09:26 | 3445 |
| C3.8 | 07:00 | 07:16 | 07:26 | 3445 |
| C3.6 | 05:27 | 05:40 | 05:56 | 3443 |
| C2.4 | 04:35 | 04:39 | 04:44 | 3445 |
| C2.3 | 04:09 | 04:21 | 04:35 | 3443 |
| C2.7 | 02:56 | 03:03 | 03:09 | 3443 |