Solar flares on September 19, 2001
The most powerful solar flare in 24 hours
C7.5 (normal) flare - September 19 at 10:52 PM
Solar activity index
Value as of the end of the day on September 19, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 18, 2001 to September 19, 2001
Time zone — UTC+04 (Samara)
List of solar flares for September 19, 2001
The total number of solar flares of class C and higher — 6 flares
C class — 6 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C7.5 | 22:45 | 22:52 | 23:00 | 9628 |
| C6.7 | 19:06 | 20:07 | 21:27 | — |
| C6.0 | 12:10 | 12:11 | 12:13 | 9621 |
| C7.2 | 10:59 | 11:21 | 11:57 | — |
| C3.3 | 07:38 | 07:43 | 07:55 | 9628 |
| C4.9 | 00:44 | 00:48 | 00:51 | — |