Solar flares on September 12, 2011
The most powerful solar flare in 24 hours
C2.9 (normal) flare - September 12 at 5:59 PM
Solar activity index
Value as of the end of the day on September 12, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 11, 2011 to September 12, 2011
Time zone — UTC+05:30 (Chandigarh)
List of solar flares for September 12, 2011
The total number of solar flares of class C and higher — 5 flares
C class — 5 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.9 | 17:45 | 17:59 | 18:10 | 1295 |
| C2.0 | 08:54 | 08:59 | 09:03 | 1292 |
| C1.7 | 07:52 | 07:56 | 08:00 | 1292 |
| C1.1 | 02:49 | 02:55 | 03:05 | 1283 |
| C1.7 | 01:15 | 01:19 | 01:22 | 1283 |