Solar flares on September 28, 2002
The most powerful solar flare in 24 hours
C3.4 (normal) flare - September 28 at 12:55 PM
Solar activity index
Value as of the end of the day on September 28, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 27, 2002 to September 28, 2002
Time zone — UTC+02 (Bern) — summer time
List of solar flares for September 28, 2002
The total number of solar flares of class C and higher — 8 flares
C class — 8 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.5 | 23:28 | 23:31 | 23:33 | 134 |
| C2.0 | 21:19 | 21:30 | 21:34 | 134 |
| C3.4 | 12:35 | 12:55 | 13:21 | 134 |
| C1.1 | 09:28 | 09:31 | 09:34 | 134 |
| C1.2 | 09:15 | 09:18 | 09:20 | 134 |
| C1.0 | 07:19 | 07:23 | 07:26 | 125 |
| C1.0 | 06:36 | 06:40 | 06:44 | — |
| C3.4 | 02:40 | 03:12 | 03:35 | 134 |