Solar flares on January 23, 2003
The most powerful solar flare in 24 hours
M2.5 (strong) flare - January 23 at 3:43 PM
Solar activity index
Value as of the end of the day on January 23, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from January 22, 2003 to January 23, 2003
Time zone — UTC+03 (Kaluga)
List of solar flares for January 23, 2003
The total number of solar flares of class C and higher — 4 flares
C class — 2 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M2.5 | 15:28 | 15:43 | 15:49 | 266 |
| M1.0 | 07:42 | 07:48 | 07:56 | — |
| C6.0 | 07:25 | 07:34 | 07:41 | 266 |
| C4.5 | 05:12 | 05:19 | 05:25 | 263 |