Solar flares on February 18, 2005
The most powerful solar flare in 24 hours
C2.3 (normal) flare - February 18 at 2:44 AM
Solar activity index
Value as of the end of the day on February 18, 2005
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from February 17, 2005 to February 18, 2005
Time zone — UTC+03 (Volgograd)
List of solar flares for February 18, 2005
The total number of solar flares of class C and higher — 6 flares
C class — 6 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.4 | 18:05 | 18:45 | 18:58 | 732 |
| C2.0 | 15:52 | 16:22 | 16:28 | 732 |
| C1.2 | 07:33 | 07:37 | 07:39 | 735 |
| C1.4 | 04:17 | 04:21 | 04:24 | 732 |
| C1.0 | 04:00 | 04:05 | 04:10 | 732 |
| C2.3 | 02:39 | 02:44 | 02:48 | 732 |