Solar flares on February 11, 2023
The most powerful solar flare in 24 hours
X1.1 (very strong) flare - February 11 at 3:48 PM
Solar activity index
Value as of the end of the day on February 11, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from February 10, 2023 to February 11, 2023
Time zone — UTC+00
List of solar flares for February 11, 2023
The total number of solar flares of class C and higher — 15 flares
C class — 7 | M class — 7 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| C8.7 | 22:45 | 22:57 | 23:12 | 3217 |
| M1.4 | 17:11 | 17:23 | 17:31 | 3208 |
| X1.1 | 15:40 | 15:48 | 15:54 | 3217 |
| M1.5 | 12:28 | 12:40 | 12:49 | 3208 |
| M1.1 | 12:18 | 12:23 | 12:28 | 3217 |
| M1.5 | 12:05 | 12:09 | 12:15 | 3217 |
| M1.4 | 11:29 | 11:34 | 11:41 | 3222 |
| M1.0 | 10:42 | 10:58 | 11:29 | 3220 |
| C7.3 | 09:13 | 09:21 | 09:32 | 3217 |
| M2.2 | 07:59 | 08:08 | 08:15 | 3208 |
| C9.9 | 07:48 | 07:56 | 07:59 | 3208 |
| C7.2 | 06:42 | 06:45 | 06:51 | 3208 |
| C7.7 | 06:27 | 06:34 | 06:42 | 3214 |
| C5.2 | 06:10 | 06:20 | 06:27 | 3208 |
| C5.8 | 23:55 | 00:03 | 00:09 | 3214 |