Solar flares on February 20, 2003
The most powerful solar flare in 24 hours
C2.5 (normal) flare - February 20 at 9:00 PM
Solar activity index
Value as of the end of the day on February 20, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from February 19, 2003 to February 20, 2003
Time zone — UTC-05 (Columbus)
List of solar flares for February 20, 2003
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 |
|---|---|---|---|---|
| C1.6 | 21:29 | 21:34 | 21:44 | — |
| C2.5 | 20:49 | 21:00 | 21:12 | — |
| C1.3 | 12:28 | 12:33 | 12:35 | — |