Solar flares on June 20, 2011
The most powerful solar flare in 24 hours
C7.7 (normal) flare - June 20 at 8:25 PM
Solar activity index
Value as of the end of the day on June 20, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from June 19, 2011 to June 20, 2011
Time zone — UTC-07 (Carson City) — summer time
List of solar flares for June 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 |
|---|---|---|---|---|
| C7.7 | 18:22 | 20:25 | 21:27 | 1236 |