Solar flares on April 23, 2002
The most powerful solar flare in 24 hours
C1.8 (normal) flare - April 23 at 4:30 PM
Solar activity index
Value as of the end of the day on April 23, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 22, 2002 to April 23, 2002
Time zone — UTC-04 (Dover) — summer time
List of solar flares for April 23, 2002
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 |
|---|---|---|---|---|
| C1.2 | 18:45 | 18:50 | 18:55 | — |
| C1.8 | 16:05 | 16:30 | 16:41 | — |
| C1.1 | 11:41 | 11:46 | 11:49 | 9915 |