Solar flares on September 13, 2002
The most powerful solar flare in 24 hours
C2.8 (normal) flare - September 13 at 2:17 AM
Solar activity index
Value as of the end of the day on September 13, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 12, 2002 to September 13, 2002
Time zone — UTC-05 (Springfield) — summer time
List of solar flares for September 13, 2002
The total number of solar flares of class C and higher — 3 flares
C class — 3 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.7 | 23:37 | 23:40 | 23:43 | 105 |
| C1.1 | 20:57 | 21:03 | 21:07 | 105 |
| C2.8 | 01:57 | 02:17 | 02:40 | 105 |