Solar flares on October 20, 2012
The most powerful solar flare in 24 hours
M9.0 (strong) flare - October 20 at 2:14 PM
Solar activity index
Value as of the end of the day on October 20, 2012
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 19, 2012 to October 20, 2012
Time zone — UTC-04 (Ottawa) — summer time
List of solar flares for October 20, 2012
The total number of solar flares of class C and higher — 5 flares
C class — 4 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C7.8 | 22:54 | 23:08 | 23:16 | 1598 |
| C2.7 | 16:02 | 16:10 | 16:22 | 1596 |
| M9.0 | 14:05 | 14:14 | 14:19 | 1598 |
| C2.4 | 13:18 | 13:37 | 13:46 | 1598 |
| C1.8 | 10:29 | 10:48 | 11:03 | 1598 |