Solar flares on October 9, 2012
The most powerful solar flare in 24 hours
M1.7 (strong) flare - October 9 at 7:31 PM
Solar activity index
Value as of the end of the day on October 9, 2012
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 8, 2012 to October 9, 2012
Time zone — UTC-04 (Kapuskasing) — summer time
List of solar flares for October 9, 2012
The total number of solar flares of class C and higher — 13 flares
C class — 12 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C5.1 | 22:50 | 23:10 | 23:19 | — |
| C2.6 | 21:38 | 21:44 | 21:48 | — |
| C1.3 | 20:57 | 21:01 | 21:06 | 1587 |
| M1.7 | 19:22 | 19:31 | 19:35 | — |
| C3.0 | 18:14 | 18:19 | 18:29 | — |
| C3.6 | 17:32 | 17:51 | 18:03 | — |
| C3.4 | 16:43 | 16:50 | 16:55 | — |
| C5.9 | 11:17 | 11:25 | 11:33 | — |
| C1.9 | 10:48 | 11:01 | 11:11 | — |
| C1.0 | 07:34 | 07:51 | 08:07 | — |
| C1.2 | 04:45 | 04:51 | 05:03 | — |
| C1.2 | 02:13 | 02:37 | 02:48 | — |
| C1.0 | 00:17 | 00:23 | 00:33 | — |