Solar flares on February 7, 2002
The most powerful solar flare in 24 hours
C4.7 (normal) flare - February 7 at 1:37 PM
Solar activity index
Value as of the end of the day on February 7, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from February 6, 2002 to February 7, 2002
Time zone — UTC+00
List of solar flares for February 7, 2002
The total number of solar flares of class C and higher — 8 flares
C class — 8 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.52 | 20:47 | 21:12 | 21:24 | — |
| C2.7 | 20:02 | 20:07 | 20:15 | 9816 |
| C4.7 | 13:33 | 13:37 | 13:39 | — |
| C2.7 | 11:13 | 11:18 | 11:23 | — |
| C2.64 | 09:54 | 10:07 | 10:25 | — |
| C1.99 | 08:49 | 09:19 | 09:41 | — |
| C3.29 | 04:35 | 05:24 | 05:40 | — |
| C4.1 | 00:51 | 00:56 | 01:01 | 9816 |