Solar flares on November 18, 2003
The most powerful solar flare in 24 hours
M4.5 (strong) flare - November 18 at 1:11 PM
Solar activity index
Value as of the end of the day on November 18, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from November 17, 2003 to November 18, 2003
Time zone — UTC+03 (Murmansk)
List of solar flares for November 18, 2003
The total number of solar flares of class C and higher — 6 flares
C class — 2 | M class — 4 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M4.5 | 12:23 | 13:11 | 14:01 | — |
| M3.9 | 11:12 | 11:31 | 11:59 | 501 |
| M3.2 | 10:23 | 10:52 | 11:06 | 501 |
| C3.8 | 08:25 | 08:30 | 08:35 | 501 |
| M1.8 | 04:34 | 04:39 | 04:42 | 501 |
| C4.1 | 03:53 | 04:02 | 04:10 | — |