Solar flares on May 13, 2023
The most powerful solar flare in 24 hours
C9.0 (normal) flare - May 13 at 2:45 AM
Solar activity index
Value as of the end of the day on May 13, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 12, 2023 to May 13, 2023
Time zone — UTC+02 (Prague) — summer time
List of solar flares for May 13, 2023
The total number of solar flares of class C and higher — 9 flares
C class — 9 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.3 | 23:26 | 23:31 | 23:39 | 3297 |
| C4.4 | 22:47 | 22:55 | 23:00 | 3305 |
| C4.3 | 20:35 | 20:47 | 21:00 | 3296 |
| C1.6 | 18:28 | 18:35 | 18:44 | 3296 |
| C2.0 | 16:48 | 16:53 | 16:57 | 3297 |
| C2.1 | 15:41 | 15:51 | 16:02 | 3305 |
| C4.9 | 12:16 | 12:27 | 12:31 | 3296 |
| C9.0 | 01:53 | 02:45 | 03:21 | 3296 |
| C1.7 | 00:39 | 00:50 | 01:00 | 3301 |