Solar flares on September 27, 2001
The most powerful solar flare in 24 hours
M1.0 (strong) flare - September 27 at 7:13 AM
Solar activity index
Value as of the end of the day on September 27, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 26, 2001 to September 27, 2001
Time zone — UTC-05 (Springfield) — summer time
List of solar flares for September 27, 2001
The total number of solar flares of class C and higher — 3 flares
C class — 2 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.5 | 23:15 | 23:25 | 23:38 | 9628 |
| C7.5 | 21:01 | 21:07 | 21:15 | 9637 |
| M1.0 | 03:55 | 07:13 | 09:06 | — |