Solar flares on October 20, 2015
The most powerful solar flare in 24 hours
C3.9 (normal) flare - October 20 at 12:27 AM
Solar activity index
Value as of the end of the day on October 20, 2015
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 19, 2015 to October 20, 2015
Time zone — UTC+07 (Barnaul)
List of solar flares for October 20, 2015
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 |
|---|---|---|---|---|
| C1.1 | 20:56 | 20:59 | 21:01 | 2437 |
| C1.0 | 14:24 | 14:27 | 14:29 | 2436 |
| C1.0 | 11:58 | 12:01 | 12:03 | 2436 |
| C1.2 | 10:56 | 11:04 | 11:16 | 2437 |
| C1.8 | 01:37 | 01:43 | 01:45 | 2434 |
| C1.3 | 00:41 | 00:48 | 00:53 | 2436 |
| C3.9 | 00:23 | 00:27 | 00:29 | 2436 |