Solar flares on October 20, 2012
The most powerful solar flare in 24 hours
M9.0 (strong) flare - October 20 at 7:14 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+01 (London) — summer time
List of solar flares for October 20, 2012
The total number of solar flares of class C and higher — 4 flares
C class — 3 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.7 | 21:02 | 21:10 | 21:22 | 1596 |
| M9.0 | 19:05 | 19:14 | 19:19 | 1598 |
| C2.4 | 18:18 | 18:37 | 18:46 | 1598 |
| C1.8 | 15:29 | 15:48 | 16:03 | 1598 |