Solar flares on February 9, 2011
The most powerful solar flare in 24 hours
M1.9 (strong) flare - February 9 at 1:31 AM
Solar activity index
Value as of the end of the day on February 9, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from February 8, 2011 to February 9, 2011
Time zone — UTC+00
List of solar flares for February 9, 2011
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 |
|---|---|---|---|---|
| M1.9 | 01:23 | 01:31 | 01:35 | 1153 |
| C1.1 | 00:08 | 00:13 | 00:19 | 1153 |