Solar flares on October 20, 2015
The most powerful solar flare in 24 hours
C1.2 (normal) flare - October 20 at 4:04 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+00
List of solar flares for October 20, 2015
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 |
|---|---|---|---|---|
| C1.1 | 13:56 | 13:59 | 14:01 | 2437 |
| C1.0 | 07:24 | 07:27 | 07:29 | 2436 |
| C1.0 | 04:58 | 05:01 | 05:03 | 2436 |
| C1.2 | 03:56 | 04:04 | 04:16 | 2437 |