Solar flares on April 20, 2012
The most powerful solar flare in 24 hours
C3.3 (normal) flare - April 20 at 1:47 PM
Solar activity index
Value as of the end of the day on April 20, 2012
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 19, 2012 to April 20, 2012
Time zone — UTC-03 (Moncton) — summer time
List of solar flares for April 20, 2012
The total number of solar flares of class C and higher — 8 flares
C class — 8 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.4 | 22:27 | 22:32 | 22:34 | 1460 |
| C1.4 | 19:25 | 19:35 | 19:44 | 1465 |
| C1.6 | 17:44 | 17:48 | 17:51 | 1465 |
| C1.0 | 17:00 | 17:07 | 17:10 | 1465 |
| C1.6 | 14:22 | 14:26 | 14:36 | 1465 |
| C3.3 | 13:46 | 13:47 | 13:49 | 1465 |
| C1.6 | 11:49 | 12:01 | 12:32 | 1465 |
| C1.1 | 00:15 | 00:22 | 00:28 | 1462 |