Solar flares on July 18, 2012
The most powerful solar flare in 24 hours
C4.5 (normal) flare - July 18 at 11:18 PM
Solar activity index
Value as of the end of the day on July 18, 2012
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 17, 2012 to July 18, 2012
Time zone — UTC+01 (London) — summer time
List of solar flares for July 18, 2012
The total number of solar flares of class C and higher — 3 flares
C class — 3 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.5 | 23:03 | 23:18 | 23:33 | 1520 |
| C3.0 | 06:55 | 07:02 | 07:09 | 1520 |
| C3.9 | 03:57 | 04:09 | 04:17 | 1520 |