Solar flares on January 20, 2003
The most powerful solar flare in 24 hours
C4.3 (normal) flare - January 20 at 10:10 AM
Solar activity index
Value as of the end of the day on January 20, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from January 19, 2003 to January 20, 2003
Time zone — UTC+03 (Moscow)
List of solar flares for January 20, 2003
The total number of solar flares of class C and higher — 2 flares
C class — 2 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.7 | 21:30 | 22:21 | 22:33 | — |
| C4.3 | 10:04 | 10:10 | 10:16 | 260 |