Solar flares on November 18, 2002
The most powerful solar flare in 24 hours
M7.4 (strong) flare - November 18 at 2:08 AM
Solar activity index
Value as of the end of the day on November 18, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from November 17, 2002 to November 18, 2002
Time zone — UTC+00
List of solar flares for November 18, 2002
The total number of solar flares of class C and higher — 9 flares
C class — 8 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.1 | 21:30 | 22:13 | 22:31 | — |
| C6.3 | 16:52 | 16:57 | 17:00 | 192 |
| C2.2 | 16:13 | 16:17 | 16:20 | 192 |
| C1.4 | 13:04 | 13:08 | 13:12 | — |
| C1.9 | 12:00 | 12:04 | 12:08 | — |
| C2.4 | 10:05 | 11:01 | 11:31 | — |
| C2.2 | 07:06 | 07:11 | 07:13 | 192 |
| M7.4 | 02:01 | 02:08 | 02:11 | 198 |
| C4.5 | 00:21 | 00:24 | 00:26 | 191 |