Solar flares on February 9, 2001
The most powerful solar flare in 24 hours
C3.5 (normal) flare - February 9 at 11:50 PM
Solar activity index
Value as of the end of the day on February 9, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from February 8, 2001 to February 9, 2001
Time zone — UTC+02 (Bucharest)
List of solar flares for February 9, 2001
The total number of solar flares of class C and higher — 4 flares
C class — 4 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.5 | 23:40 | 23:50 | 23:55 | 9338 |
| C2.0 | 23:02 | 23:07 | 23:15 | 9338 |
| C1.0 | 19:16 | 19:27 | 19:33 | 9335 |
| C1.2 | 17:41 | 17:49 | 17:57 | — |