Solar flares on April 15, 2004
The most powerful solar flare in 24 hours
M1.2 (strong) flare - April 15 at 6:44 PM
Solar activity index
Value as of the end of the day on April 15, 2004
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 14, 2004 to April 15, 2004
Time zone — UTC+02 (Prague) — summer time
List of solar flares for April 15, 2004
The total number of solar flares of class C and higher — 1 flare
C class — 0 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.2 | 18:37 | 18:44 | 18:48 | 591 |