Solar flares on October 20, 2012
The most powerful solar flare in 24 hours
M9.0 (strong) flare - October 20 at 9:14 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+03 (Tula)
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 | 23:02 | 23:10 | 23:22 | 1596 |
| M9.0 | 21:05 | 21:14 | 21:19 | 1598 |
| C2.4 | 20:18 | 20:37 | 20:46 | 1598 |
| C1.8 | 17:29 | 17:48 | 18:03 | 1598 |