Solar flares on September 18, 2000
The most powerful solar flare in 24 hours
C5.7 (normal) flare - September 18 at 11:14 PM
Solar activity index
Value as of the end of the day on September 18, 2000
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 17, 2000 to September 18, 2000
Time zone — UTC+02 (Berlin) — summer time
List of solar flares for September 18, 2000
The total number of solar flares of class C and higher — 7 flares
C class — 7 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C5.7 | 23:05 | 23:14 | 23:29 | 9166 |
| C3.3 | 14:19 | 14:31 | 14:42 | 9167 |
| C1.9 | 09:59 | 10:06 | 10:20 | — |
| C3.2 | 07:18 | 07:29 | 07:56 | 9166 |
| C3.2 | 05:33 | 05:36 | 05:38 | 9165 |
| C2.3 | 04:44 | 04:49 | 04:51 | 9167 |
| C3.0 | 03:13 | 03:33 | 03:37 | — |