Solar flares on September 19, 2011
The most powerful solar flare in 24 hours
C6.9 (normal) flare - September 19 at 3:41 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+00
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 | 18:34 | 18:47 | 18:54 | 1301 |
| C6.9 | 15:35 | 15:41 | 15:47 | 1301 |
| C6.2 | 07:19 | 07:37 | 09:14 | 1296 |
| C2.4 | 04:52 | 04:59 | 05:14 | 1296 |