Solar flares on November 18, 2011
The most powerful solar flare in 24 hours
C2.7 (normal) flare - November 18 at 5:23 PM
Solar activity index
Value as of the end of the day on November 18, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from November 17, 2011 to November 18, 2011
Time zone — UTC+00 (London)
List of solar flares for November 18, 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 |
|---|---|---|---|---|
| C2.0 | 19:04 | 19:08 | 19:11 | 1353 |
| C2.7 | 17:07 | 17:23 | 17:56 | 1354 |
| C1.1 | 16:38 | 16:43 | 16:50 | 1346 |
| C2.5 | 06:46 | 06:53 | 07:04 | — |