Solar flares on October 13, 2004
The most powerful solar flare in 24 hours
C1.7 (normal) flare - October 13 at 11:49 PM
Solar activity index
Value as of the end of the day on October 13, 2004
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 12, 2004 to October 13, 2004
Time zone — UTC-04 (Salluit) — summer time
List of solar flares for October 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 |
|---|---|---|---|---|
| C1.7 | 23:28 | 23:49 | 23:56 | 682 |
| C1.0 | 17:20 | 18:06 | 18:20 | 682 |