Solar flares on January 18, 2013
The most powerful solar flare in 24 hours
C2.4 (normal) flare - January 18 at 6:43 PM
Solar activity index
Value as of the end of the day on January 18, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from January 17, 2013 to January 18, 2013
Time zone — UTC+09 (Lensk)
List of solar flares for January 18, 2013
The total number of solar flares of class C and higher — 3 flares
C class — 3 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.0 | 22:09 | 22:14 | 22:17 | 1654 |
| C2.4 | 18:37 | 18:43 | 18:45 | 1652 |
| C1.7 | 13:40 | 13:45 | 13:48 | 1652 |