Solar flares on September 15, 2001
The most powerful solar flare in 24 hours
M3.7 (strong) flare - September 15 at 12:50 AM
Solar activity index
Value as of the end of the day on September 15, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 14, 2001 to September 15, 2001
Time zone — UTC+03 (Simferopol)
List of solar flares for September 15, 2001
The total number of solar flares of class C and higher — 8 flares
C class — 5 | M class — 3 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C8.8 | 23:25 | 23:33 | 23:46 | 9608 |
| M1.3 | 18:44 | 18:59 | 19:10 | 9616 |
| M1.5 | 14:04 | 14:28 | 14:54 | 9608 |
| C4.7 | 08:19 | 08:26 | 08:37 | — |
| C6.5 | 04:01 | 04:10 | 04:21 | — |
| C3.8 | 03:50 | 03:54 | 03:58 | — |
| C6.7 | 01:55 | 02:05 | 02:21 | — |
| M3.7 | 00:41 | 00:50 | 01:00 | 9616 |