Solar flares on January 18, 2000
The most powerful solar flare in 24 hours
M3.9 (strong) flare - January 18 at 12:27 PM
Solar activity index
Value as of the end of the day on January 18, 2000
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from January 17, 2000 to January 18, 2000
Time zone — UTC-05 (Peterborough)
List of solar flares for January 18, 2000
The total number of solar flares of class C and higher — 6 flares
C class — 4 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.4 | 20:09 | 20:39 | 20:52 | — |
| C4.3 | 17:02 | 17:08 | 17:10 | — |
| M3.9 | 12:07 | 12:27 | 12:44 | 8831 |
| M1.2 | 04:36 | 05:08 | 05:48 | 8824 |
| C1.7 | 03:26 | 03:39 | 04:08 | — |
| C2.1 | 03:14 | 03:19 | 03:23 | 8830 |