Solar flares on January 18, 2004
The most powerful solar flare in 24 hours
M1.4 (strong) flare - January 18 at 3:17 AM
Solar activity index
Value as of the end of the day on January 18, 2004
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from January 17, 2004 to January 18, 2004
Time zone — UTC+03 (Kaluga)
List of solar flares for January 18, 2004
The total number of solar flares of class C and higher — 3 flares
C class — 2 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.7 | 22:41 | 23:03 | 23:22 | — |
| C1.4 | 16:44 | 16:57 | 17:01 | 537 |
| M1.4 | 03:07 | 03:17 | 03:21 | 540 |