Solar flares on October 20, 2017
The most powerful solar flare in 24 hours
M1.1 (strong) flare - October 20 at 6:28 PM
Solar activity index
Value as of the end of the day on October 20, 2017
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 19, 2017 to October 20, 2017
Time zone — UTC-05 (Topeka) — summer time
List of solar flares for October 20, 2017
The total number of solar flares of class C and higher — 1 flare
C class — 0 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.1 | 18:10 | 18:28 | 18:37 | 2685 |