Solar flares on February 9, 2011
The most powerful solar flare in 24 hours
M1.9 (strong) flare - February 9 at 7:01 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+05:30 (Ranchi)
List of solar flares for February 9, 2011
The total number of solar flares of class C and higher — 4 flares
C class — 3 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.9 | 06:53 | 07:01 | 07:05 | 1153 |
| C1.1 | 05:38 | 05:43 | 05:49 | 1153 |
| C4.0 | 02:36 | 02:42 | 02:44 | 1153 |
| C1.0 | 00:16 | 00:24 | 00:26 | 1153 |