Solar flares on September 18, 2002
The most powerful solar flare in 24 hours
C4.8 (normal) flare - September 18 at 6:22 AM
Solar activity index
Value as of the end of the day on September 18, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 17, 2002 to September 18, 2002
Time zone — UTC+04 (Tbilisi)
List of solar flares for September 18, 2002
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 |
|---|---|---|---|---|
| C3.9 | 21:14 | 21:22 | 21:28 | 105 |
| C2.2 | 19:32 | 20:00 | 20:53 | 119 |
| C3.1 | 14:13 | 14:30 | 14:46 | 119 |
| C4.8 | 06:07 | 06:22 | 06:39 | 119 |
| C3.8 | 05:10 | 05:19 | 05:29 | 112 |
| C2.8 | 03:57 | 04:12 | 04:26 | 119 |
| C4.0 | 01:25 | 01:51 | 02:00 | — |