Solar flares on July 20, 2017
The most powerful solar flare in 24 hours
C1.4 (normal) flare - July 20 at 1:01 AM
Solar activity index
Value as of the end of the day on July 20, 2017
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 19, 2017 to July 20, 2017
Time zone — UTC+01 (London) — summer time
List of solar flares for July 20, 2017
The total number of solar flares of class C and higher — 1 flare
C class — 1 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.4 | 23:36 | 01:01 | 01:46 | 2665 |