Solar flares on September 16, 2002
The most powerful solar flare in 24 hours
M1.3 (strong) flare - September 16 at 4:10 AM
Solar activity index
Value as of the end of the day on September 16, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 15, 2002 to September 16, 2002
Time zone — UTC+01 (Dublin) — summer time
List of solar flares for September 16, 2002
The total number of solar flares of class C and higher — 10 flares
C class — 9 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.7 | 22:56 | 23:00 | 23:02 | — |
| C5.0 | 20:50 | 21:04 | 21:18 | 119 |
| C4.6 | 16:46 | 16:56 | 17:02 | 119 |
| C1.2 | 12:55 | 12:57 | 12:59 | 105 |
| C1.4 | 11:22 | 11:26 | 11:29 | 114 |
| C1.6 | 09:53 | 09:56 | 09:58 | 0 |
| C5.0 | 04:38 | 04:53 | 05:10 | 105 |
| M1.3 | 04:06 | 04:10 | 04:12 | 114 |
| C2.4 | 02:41 | 02:54 | 02:58 | 114 |
| C1.7 | 00:30 | 00:38 | 00:50 | 114 |