Solar flares on February 18, 2002
The most powerful solar flare in 24 hours
M1.0 (strong) flare - February 18 at 9:15 PM
Solar activity index
Value as of the end of the day on February 18, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from February 17, 2002 to February 18, 2002
Time zone — UTC+00
List of solar flares for February 18, 2002
The total number of solar flares of class C and higher — 2 flares
C class — 1 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.0 | 20:18 | 21:15 | 21:58 | 9830 |
| C5.9 | 07:44 | 07:57 | 08:04 | 9829 |