Solar flares on May 13, 2004
The most powerful solar flare in 24 hours
C7.7 (normal) flare - May 13 at 5:34 AM
Solar activity index
Value as of the end of the day on May 13, 2004
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 12, 2004 to May 13, 2004
Time zone — UTC-08 (Anchorage) — summer time
List of solar flares for May 13, 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 |
|---|---|---|---|---|
| C7.7 | 05:24 | 05:34 | 05:40 | 609 |
| C1.3 | 01:30 | 01:40 | 01:52 | 609 |