Solar flares on February 4, 2004
The most powerful solar flare in 24 hours
C9.9 (normal) flare - February 4 at 4:48 PM
Solar activity index
Value as of the end of the day on February 4, 2004
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from February 3, 2004 to February 4, 2004
Time zone — UTC+05:30 (Ranchi)
List of solar flares for February 4, 2004
The total number of solar flares of class C and higher — 3 flares
C class — 3 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C9.9 | 16:42 | 16:48 | 16:52 | 547 |
| C1.4 | 04:11 | 04:16 | 04:26 | 551 |
| C1.1 | 02:55 | 03:15 | 03:40 | 549 |