Solar flares on January 28, 2011
The most powerful solar flare in 24 hours
M1.3 (strong) flare - January 28 at 1:03 AM
Solar activity index
Value as of the end of the day on January 28, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from January 27, 2011 to January 28, 2011
Time zone — UTC+00 (London)
List of solar flares for January 28, 2011
The total number of solar flares of class C and higher — 3 flares
C class — 2 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.5 | 10:05 | 10:22 | 10:30 | 1149 |
| C1.5 | 04:02 | 04:25 | 04:35 | 1149 |
| M1.3 | 00:44 | 01:03 | 01:10 | 1149 |