Solar flares on August 17, 2011
The most powerful solar flare in 24 hours
C3.4 (normal) flare - August 17 at 5:42 PM
Solar activity index
Value as of the end of the day on August 17, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 16, 2011 to August 17, 2011
Time zone — UTC+07 (Barnaul)
List of solar flares for August 17, 2011
The total number of solar flares of class C and higher — 4 flares
C class — 4 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.6 | 23:16 | 23:31 | 23:45 | 1272 |
| C3.4 | 17:19 | 17:42 | 18:08 | 1271 |
| C2.3 | 11:19 | 11:29 | 12:07 | 1272 |
| C1.9 | 08:44 | 09:54 | 10:44 | 1272 |