Solar flares on July 20, 2002
The most powerful solar flare in 24 hours
C9.6 (normal) flare - July 20 at 3:42 PM
Solar activity index
Value as of the end of the day on July 20, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 19, 2002 to July 20, 2002
Time zone — UTC+03 (Yoshkar-Ola)
List of solar flares for July 20, 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 |
|---|---|---|---|---|
| C2.7 | 16:23 | 16:27 | 16:33 | 0 |
| C9.6 | 15:37 | 15:42 | 15:44 | 30 |
| C4.0 | 05:50 | 06:00 | 06:10 | — |