Solar flares on January 23, 2002
The most powerful solar flare in 24 hours
C3.7 (normal) flare - January 23 at 3:37 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+02 (Bucharest)
List of solar flares for January 23, 2002
The total number of solar flares of class C and higher — 9 flares
C class — 9 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.7 | 15:32 | 15:37 | 15:48 | 9794 |
| C1.6 | 11:56 | 12:00 | 12:11 | 9783 |
| C1.4 | 11:06 | 11:09 | 11:12 | 9787 |
| C1.7 | 05:32 | 05:37 | 05:41 | 9794 |
| C1.6 | 05:16 | 05:19 | 05:24 | — |
| C1.9 | 03:17 | 03:21 | 03:25 | — |
| C1.6 | 01:27 | 01:32 | 01:42 | 9787 |
| C1.3 | 00:39 | 00:43 | 00:47 | 9794 |
| C2.4 | 00:02 | 00:08 | 00:15 | — |