Solar flares on February 20, 2011
The most powerful solar flare in 24 hours
C1.9 (normal) flare - February 20 at 2:43 AM
Solar activity index
Value as of the end of the day on February 20, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from February 19, 2011 to February 20, 2011
Time zone — UTC+05:30 (Ranchi)
List of solar flares for February 20, 2011
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 |
|---|---|---|---|---|
| C1.7 | 09:24 | 09:27 | 09:29 | 1161 |
| C1.4 | 08:15 | 08:49 | 09:01 | 1162 |
| C1.2 | 06:16 | 06:53 | 07:15 | 1161 |
| C1.9 | 02:37 | 02:43 | 02:47 | 1158 |