Solar flares on November 18, 2011
The most powerful solar flare in 24 hours
C2.7 (normal) flare - November 18 at 8:23 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+03 (Sochi)
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 | 22:04 | 22:08 | 22:11 | 1353 |
| C2.7 | 20:07 | 20:23 | 20:56 | 1354 |
| C1.1 | 19:38 | 19:43 | 19:50 | 1346 |
| C2.5 | 09:46 | 09:53 | 10:04 | — |