Solar flares on October 17, 2012
The most powerful solar flare in 24 hours
C7.4 (normal) flare - October 17 at 11:02 AM
Solar activity index
Value as of the end of the day on October 17, 2012
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 16, 2012 to October 17, 2012
Time zone — UTC+03 (Vilnius)
List of solar flares for October 17, 2012
The total number of solar flares of class C and higher — 7 flares
C class — 7 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.0 | 18:50 | 18:56 | 19:03 | — |
| C2.0 | 17:27 | 17:34 | 17:40 | 1596 |
| C1.3 | 15:16 | 15:21 | 15:26 | 1594 |
| C7.4 | 10:52 | 11:02 | 11:16 | 1596 |
| C1.2 | 08:56 | 09:05 | 09:15 | — |
| C1.1 | 03:44 | 03:49 | 04:02 | 1589 |
| C1.0 | 02:06 | 02:10 | 02:13 | 1594 |