Solar flares on January 20, 2011
The most powerful solar flare in 24 hours
C3.3 (normal) flare - January 20 at 10:17 PM
Solar activity index
Value as of the end of the day on January 20, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from January 19, 2011 to January 20, 2011
Time zone — UTC-06 (Pierre)
List of solar flares for January 20, 2011
The total number of solar flares of class C and higher — 1 flare
C class — 1 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.3 | 22:12 | 22:17 | 22:20 | 1149 |