Solar flares on October 28, 2011
The most powerful solar flare in 24 hours
C1.7 (normal) flare - October 28 at 1:17 PM
Solar activity index
Value as of the end of the day on October 28, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 27, 2011 to October 28, 2011
Time zone — UTC+01 (London) — summer time
List of solar flares for October 28, 2011
The total number of solar flares of class C and higher — 3 flares
C class — 3 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.7 | 12:48 | 13:17 | 13:42 | 1324 |
| C1.0 | 08:01 | 08:04 | 08:07 | 1324 |
| C1.0 | 07:07 | 07:14 | 07:20 | 1333 |