Solar flares on June 20, 2004
The most powerful solar flare in 24 hours
C2.0 (normal) flare - June 20 at 3:32 PM
Solar activity index
Value as of the end of the day on June 20, 2004
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from June 19, 2004 to June 20, 2004
Time zone — UTC+02 (Vaduz) — summer time
List of solar flares for June 20, 2004
The total number of solar flares of class C and higher — 2 flares
C class — 2 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.0 | 18:32 | 18:37 | 18:40 | 635 |
| C2.0 | 15:23 | 15:32 | 15:39 | 635 |