Solar flares on April 20, 2012
The most powerful solar flare in 24 hours
C3.3 (normal) flare - April 20 at 5:47 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+01 (London) — summer time
List of solar flares for April 20, 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 |
|---|---|---|---|---|
| C1.4 | 23:25 | 23:35 | 23:44 | 1465 |
| C1.6 | 21:44 | 21:48 | 21:51 | 1465 |
| C1.0 | 21:00 | 21:07 | 21:10 | 1465 |
| C1.6 | 18:22 | 18:26 | 18:36 | 1465 |
| C3.3 | 17:46 | 17:47 | 17:49 | 1465 |
| C1.6 | 15:49 | 16:01 | 16:32 | 1465 |
| C1.1 | 04:15 | 04:22 | 04:28 | 1462 |