Solar flares on October 7, 2011
The most powerful solar flare in 24 hours
C2.6 (normal) flare - October 7 at 7:57 PM
Solar activity index
Value as of the end of the day on October 7, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 6, 2011 to October 7, 2011
Time zone — UTC+01 (London) — summer time
List of solar flares for October 7, 2011
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 |
|---|---|---|---|---|
| C2.6 | 19:53 | 19:57 | 20:01 | — |
| C2.5 | 04:55 | 05:03 | 05:10 | — |
| C1.2 | 02:14 | 02:21 | 02:30 | 1313 |
| C1.0 | 01:42 | 01:47 | 01:49 | 1305 |