Solar flares on April 18, 2012
The most powerful solar flare in 24 hours
C8.9 (normal) flare - April 18 at 3:39 PM
Solar activity index
Value as of the end of the day on April 18, 2012
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 17, 2012 to April 18, 2012
Time zone — UTC+03 (Vilnius)
List of solar flares for April 18, 2012
The total number of solar flares of class C and higher — 7 flares
C class — 7 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.3 | 21:12 | 21:15 | 21:20 | — |
| C5.3 | 19:54 | 20:06 | 20:18 | 1463 |
| C5.9 | 17:51 | 18:13 | 18:18 | 1463 |
| C8.9 | 15:32 | 15:39 | 15:50 | 1463 |
| C1.5 | 14:28 | 14:44 | 14:54 | 1463 |
| C1.1 | 08:26 | 08:30 | 08:33 | — |
| C3.1 | 05:59 | 06:07 | 06:10 | 1463 |