Solar flares on June 21, 2011
The most powerful solar flare in 24 hours
C7.7 (normal) flare - June 21 at 3:25 AM
Solar activity index
Value as of the end of the day on June 21, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from June 20, 2011 to June 21, 2011
Time zone — UTC+00
List of solar flares for June 21, 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 | 01:22 | 03:25 | 04:27 | 1236 |