Solar flares on February 4, 2000
The most powerful solar flare in 24 hours
M3.0 (strong) flare - February 4 at 6:19 PM
Solar activity index
Value as of the end of the day on February 4, 2000
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from February 3, 2000 to February 4, 2000
Time zone — UTC+09 (Neryungri)
List of solar flares for February 4, 2000
The total number of solar flares of class C and higher — 16 flares
C class — 15 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.1 | 22:38 | 22:41 | 22:57 | — |
| C4.0 | 21:55 | 22:03 | 22:08 | — |
| C1.2 | 21:05 | 21:10 | 21:14 | — |
| C3.5 | 20:04 | 20:17 | 20:26 | — |
| C2.6 | 19:48 | 19:56 | 20:02 | — |
| C1.1 | 19:36 | 19:39 | 19:43 | — |
| M3.0 | 18:11 | 18:19 | 18:28 | 8858 |
| C1.3 | 17:44 | 17:49 | 17:55 | — |
| C5.3 | 15:50 | 15:59 | 16:11 | — |
| C1.2 | 14:26 | 14:30 | 14:35 | — |
| C1.2 | 12:48 | 12:52 | 13:01 | 8851 |
| C1.0 | 09:17 | 09:23 | 09:42 | 8851 |
| C1.7 | 05:46 | 05:55 | 06:10 | — |
| C8.4 | 04:57 | 05:00 | 05:04 | — |
| C1.0 | 01:35 | 01:59 | 02:05 | — |
| C1.4 | 00:01 | 00:06 | 00:08 | — |