Solar flares on January 13, 2002
The most powerful solar flare in 24 hours
M2.2 (strong) flare - January 13 at 7:46 PM
Solar activity index
Value as of the end of the day on January 13, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from January 12, 2002 to January 13, 2002
Time zone — UTC+00
List of solar flares for January 13, 2002
The total number of solar flares of class C and higher — 9 flares
C class — 7 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.6 | 23:37 | 23:41 | 23:43 | 9778 |
| M2.2 | 19:35 | 19:46 | 19:49 | 9775 |
| C5.4 | 17:07 | 17:10 | 17:12 | 9775 |
| C8 | 13:36 | 13:38 | 13:41 | 9775 |
| C7.8 | 13:06 | 13:15 | 13:26 | 9775 |
| C3.7 | 07:49 | 07:52 | 07:55 | 9773 |
| C3.5 | 05:34 | 05:38 | 05:42 | 9779 |
| C8 | 03:59 | 04:01 | 04:03 | 9778 |
| M1.4 | 03:04 | 03:10 | 03:13 | 9773 |