Solar flares on February 23, 2002
The most powerful solar flare in 24 hours
C4.9 (normal) flare - February 23 at 9:30 AM
Solar activity index
Value as of the end of the day on February 23, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from February 22, 2002 to February 23, 2002
Time zone — UTC+03 (Simferopol)
List of solar flares for February 23, 2002
The total number of solar flares of class C and higher — 10 flares
C class — 10 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.4 | 17:25 | 17:37 | 17:42 | — |
| C4.3 | 16:52 | 17:00 | 17:09 | 9830 |
| C2.9 | 15:43 | 16:15 | 16:25 | — |
| C2.1 | 14:55 | 14:58 | 15:01 | 9830 |
| C2.6 | 11:08 | 11:12 | 11:19 | 9830 |
| C4.9 | 09:17 | 09:30 | 09:46 | 9841 |
| C2.2 | 07:38 | 07:43 | 07:46 | 9839 |
| C2.8 | 04:05 | 04:47 | 05:30 | — |
| C2.9 | 02:34 | 02:39 | 02:45 | 9837 |
| C2.7 | 01:23 | 01:41 | 01:50 | 9830 |