Solar flares on February 20, 2001
The most powerful solar flare in 24 hours
C3.1 (normal) flare - February 20 at 1:22 AM
Solar activity index
Value as of the end of the day on February 20, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from February 19, 2001 to February 20, 2001
Time zone — UTC+00
List of solar flares for February 20, 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 |
|---|---|---|---|---|
| C1.5 | 17:06 | 17:11 | 17:16 | — |
| C2.1 | 15:37 | 15:41 | 15:47 | 9354 |
| C2.2 | 14:47 | 14:51 | 14:54 | 9354 |
| C3.1 | 01:10 | 01:22 | 01:29 | — |