Solar flares on October 16, 2011
The most powerful solar flare in 24 hours
C6.3 (normal) flare - October 16 at 11:14 AM
Solar activity index
Value as of the end of the day on October 16, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 15, 2011 to October 16, 2011
Time zone — UTC-04 (Columbus) — summer time
List of solar flares for October 16, 2011
The total number of solar flares of class C and higher — 9 flares
C class — 9 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.9 | 13:28 | 13:37 | 13:48 | — |
| C4.4 | 11:53 | 11:57 | 11:59 | — |
| C6.3 | 11:04 | 11:14 | 11:22 | 1319 |
| C3.7 | 10:28 | 10:35 | 10:49 | 1319 |
| C1.4 | 09:51 | 09:55 | 09:57 | 1317 |
| C1.8 | 07:53 | 08:19 | 08:34 | — |
| C2.0 | 05:31 | 05:42 | 05:54 | 1319 |
| C2.8 | 02:41 | 03:01 | 03:28 | 1319 |
| C1.3 | 00:27 | 00:41 | 00:51 | 1319 |