Solar flares on September 30, 2012
The most powerful solar flare in 24 hours
M1.3 (strong) flare - September 30 at 5:33 AM
Solar activity index
Value as of the end of the day on September 30, 2012
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 29, 2012 to September 30, 2012
Time zone — UTC+01 (London) — summer time
List of solar flares for September 30, 2012
The total number of solar flares of class C and higher — 12 flares
C class — 11 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.9 | 23:39 | 23:43 | 23:47 | — |
| C2.8 | 23:01 | 23:06 | 23:09 | — |
| C7.1 | 22:16 | 22:20 | 22:23 | — |
| C1.6 | 21:57 | 22:01 | 22:04 | — |
| C2.3 | 21:04 | 21:08 | 21:10 | — |
| C2.5 | 16:01 | 16:10 | 16:14 | 1575 |
| C2.3 | 15:21 | 15:26 | 15:33 | 1575 |
| C1.0 | 13:29 | 13:33 | 13:36 | 1584 |
| C2.9 | 07:34 | 07:45 | 08:10 | 1577 |
| M1.3 | 05:27 | 05:33 | 05:42 | 1583 |
| C1.0 | 01:42 | 01:45 | 01:48 | 1577 |
| C1.0 | 01:07 | 01:10 | 01:12 | 1575 |