Solar flares on September 12, 2017
The most powerful solar flare in 24 hours
C3.0 (normal) flare - September 12 at 12:29 AM
Solar activity index
Value as of the end of the day on September 12, 2017
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 11, 2017 to September 12, 2017
Time zone — UTC-07 (Phoenix)
List of solar flares for September 12, 2017
The total number of solar flares of class C and higher — 2 flares
C class — 2 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.6 | 12:03 | 12:20 | 12:28 | 2680 |
| C3.0 | 00:22 | 00:29 | 00:34 | 2680 |