Solar flares on February 19, 2002
The most powerful solar flare in 24 hours
M4.2 (strong) flare - February 19 at 9:51 PM
Solar activity index
Value as of the end of the day on February 19, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from February 18, 2002 to February 19, 2002
Time zone — UTC-05 (Moosonee)
List of solar flares for February 19, 2002
The total number of solar flares of class C and higher — 6 flares
C class — 5 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M4.2 | 21:44 | 21:51 | 21:56 | 9825 |
| C1.7 | 21:14 | 21:18 | 21:21 | — |
| C2.1 | 20:10 | 20:14 | 20:19 | 9830 |
| C1.3 | 17:27 | 17:31 | 17:33 | — |
| C2.9 | 10:59 | 11:03 | 11:06 | 9825 |
| C2.7 | 06:52 | 07:19 | 07:49 | — |