Solar flares on June 17, 2012
The most powerful solar flare in 24 hours
C3.9 (normal) flare - June 17 at 6:40 PM
Solar activity index
Value as of the end of the day on June 17, 2012
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from June 16, 2012 to June 17, 2012
Time zone — UTC+01 (London) — summer time
List of solar flares for June 17, 2012
The total number of solar flares of class C and higher — 5 flares
C class — 5 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.1 | 23:15 | 23:18 | 23:20 | 1504 |
| C1.8 | 22:32 | 22:39 | 22:47 | 1504 |
| C1.0 | 20:51 | 20:57 | 21:02 | 1504 |
| C3.9 | 18:36 | 18:40 | 18:46 | 1504 |
| C1.0 | 18:25 | 18:28 | 18:31 | 1504 |