Solar flares on October 17, 2012
The most powerful solar flare in 24 hours
C7.4 (normal) flare - October 17 at 12:02 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-08 (Anchorage) — summer time
List of solar flares for October 17, 2012
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 |
|---|---|---|---|---|
| C1.0 | 07:50 | 07:56 | 08:03 | — |
| C2.0 | 06:27 | 06:34 | 06:40 | 1596 |
| C1.3 | 04:16 | 04:21 | 04:26 | 1594 |
| C7.4 | 23:52 | 00:02 | 00:16 | 1596 |