Solar flares on September 19, 2023
The most powerful solar flare in 24 hours
M4.0 (strong) flare - September 19 at 4:14 PM
Solar activity index
Value as of the end of the day on September 19, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 18, 2023 to September 19, 2023
Time zone — UTC-04 (Lansing) — summer time
List of solar flares for September 19, 2023
The total number of solar flares of class C and higher — 9 flares
C class — 7 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C9.7 | 18:21 | 18:37 | 18:47 | 3435 |
| C2.0 | 17:42 | 17:47 | 17:51 | 3436 |
| C2.7 | 16:59 | 17:09 | 17:15 | 3436 |
| M4.0 | 16:01 | 16:14 | 16:21 | 3435 |
| C2.7 | 13:16 | 13:25 | 13:42 | 3438 |
| C4.2 | 11:39 | 11:52 | 12:08 | 3436 |
| C3.1 | 09:08 | 09:17 | 09:24 | 3435 |
| C5.0 | 06:25 | 06:50 | 07:07 | 3436 |
| M1.8 | 05:23 | 05:38 | 05:44 | 3435 |