Solar flares on January 20, 2002
The most powerful solar flare in 24 hours
C3.8 (normal) flare - January 20 at 9:22 PM
Solar activity index
Value as of the end of the day on January 20, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from January 19, 2002 to January 20, 2002
Time zone — UTC+05:30 (Indore)
List of solar flares for January 20, 2002
The total number of solar flares of class C and higher — 5 flares
C class — 5 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.8 | 21:13 | 21:22 | 21:36 | 9788 |
| C1.4 | 04:25 | 04:31 | 04:38 | — |
| C1.9 | 02:46 | 02:51 | 02:55 | — |
| C1.8 | 01:35 | 01:39 | 01:46 | 9788 |
| C1.7 | 00:17 | 00:22 | 00:28 | — |