Solar flares on September 19, 2011
The most powerful solar flare in 24 hours
C6.9 (normal) flare - September 19 at 4:41 PM
Solar activity index
Value as of the end of the day on September 19, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 18, 2011 to September 19, 2011
Time zone — UTC+01 (Dublin) — summer time
List of solar flares for September 19, 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 |
|---|---|---|---|---|
| C1.3 | 19:34 | 19:47 | 19:54 | 1301 |
| C6.9 | 16:35 | 16:41 | 16:47 | 1301 |
| C6.2 | 08:19 | 08:37 | 10:14 | 1296 |
| C2.4 | 05:52 | 05:59 | 06:14 | 1296 |