Solar flares on September 13, 2011
The most powerful solar flare in 24 hours
C1.1 (normal) flare - September 13 at 5:19 AM
Solar activity index
Value as of the end of the day on September 13, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 12, 2011 to September 13, 2011
Time zone — UTC+01 (London) — summer time
List of solar flares for September 13, 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 |
|---|---|---|---|---|
| C1.1 | 05:12 | 05:19 | 05:32 | — |