Solar flares on September 12, 2003
The most powerful solar flare in 24 hours
C2.2 (normal) flare - September 12 at 11:42 PM
Solar activity index
Value as of the end of the day on September 12, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 11, 2003 to September 12, 2003
Time zone — UTC-08 (Anchorage) — summer time
List of solar flares for September 12, 2003
The total number of solar flares of class C and higher — 1 flare
C class — 1 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.2 | 23:32 | 23:42 | 23:52 | 456 |