Solar flares on September 20, 2004
The most powerful solar flare in 24 hours
C2.1 (normal) flare - September 20 at 12:51 PM
Solar activity index
Value as of the end of the day on September 20, 2004
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 19, 2004 to September 20, 2004
Time zone — UTC+05:30 (Bilaspur)
List of solar flares for September 20, 2004
The total number of solar flares of class C and higher — 3 flares
C class — 3 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.1 | 12:39 | 12:51 | 12:55 | 672 |
| C1.7 | 08:33 | 08:40 | 08:45 | 672 |
| C1.9 | 02:22 | 02:45 | 03:02 | — |