Solar flares on October 27, 2009
The most powerful solar flare in 24 hours
C2.2 (normal) flare - October 27 at 4:53 PM
Solar activity index
Value as of the end of the day on October 27, 2009
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 26, 2009 to October 27, 2009
Time zone — UTC-08 (Anchorage) — summer time
List of solar flares for October 27, 2009
The total number of solar flares of class C and higher — 4 flares
C class — 4 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.2 | 16:45 | 16:53 | 16:56 | 1029 |
| C1.1 | 02:55 | 03:00 | 03:07 | — |
| C1.4 | 02:12 | 02:21 | 02:34 | — |
| C1.7 | 00:57 | 01:24 | 01:34 | — |