Solar flares on July 27, 2011
The most powerful solar flare in 24 hours
M1.1 (strong) flare - July 27 at 5:07 PM
Solar activity index
Value as of the end of the day on July 27, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 26, 2011 to July 27, 2011
Time zone — UTC+01 (London) — summer time
List of solar flares for July 27, 2011
The total number of solar flares of class C and higher — 10 flares
C class — 9 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.6 | 23:11 | 23:17 | 23:21 | 1262 |
| C2.5 | 22:48 | 22:54 | 23:00 | 1260 |
| C2.3 | 21:41 | 22:21 | 22:29 | 1260 |
| M1.1 | 16:48 | 17:07 | 17:22 | 1260 |
| C2.0 | 14:09 | 14:13 | 14:25 | 1260 |
| C2.0 | 13:47 | 13:53 | 14:00 | 1260 |
| C3.6 | 12:18 | 12:31 | 12:33 | 1260 |
| C3.0 | 10:56 | 11:02 | 11:12 | 1260 |
| C3.0 | 07:33 | 07:39 | 07:46 | 1260 |
| C3.0 | 02:38 | 03:01 | 03:35 | 1260 |