Solar flares on September 12, 2002
The most powerful solar flare in 24 hours
C4.1 (normal) flare - September 12 at 3:18 AM
Solar activity index
Value as of the end of the day on September 12, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 11, 2002 to September 12, 2002
Time zone — UTC+03 (Sochi)
List of solar flares for September 12, 2002
The total number of solar flares of class C and higher — 7 flares
C class — 7 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.0 | 16:35 | 16:38 | 16:40 | 105 |
| C2.5 | 14:47 | 14:53 | 15:00 | 107 |
| C1.1 | 10:51 | 10:55 | 10:58 | — |
| C2.8 | 10:07 | 10:14 | 10:25 | 107 |
| C1.4 | 09:26 | 09:30 | 09:33 | — |
| C4.1 | 03:09 | 03:18 | 03:30 | 107 |
| C1.2 | 01:55 | 02:00 | 02:02 | 107 |