Solar flares on January 23, 2002
The most powerful solar flare in 24 hours
C7.1 (normal) flare - January 23 at 9:39 PM
Solar activity index
Value as of the end of the day on January 23, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from January 22, 2002 to January 23, 2002
Time zone — UTC-07 (Lethbridge)
List of solar flares for January 23, 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 |
|---|---|---|---|---|
| C7.1 | 20:25 | 21:39 | 00:06 | — |
| C2.3 | 15:25 | 15:28 | 15:31 | 9787 |
| C3.7 | 06:32 | 06:37 | 06:48 | 9794 |
| C1.6 | 02:56 | 03:00 | 03:11 | 9783 |
| C1.4 | 02:06 | 02:09 | 02:12 | 9787 |