Solar flares on January 12, 2002
The most powerful solar flare in 24 hours
M3.4 (strong) flare - January 12 at 6:43 PM
Solar activity index
Value as of the end of the day on January 12, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from January 11, 2002 to January 12, 2002
Time zone — UTC+00
List of solar flares for January 12, 2002
The total number of solar flares of class C and higher — 11 flares
C class — 7 | M class — 4 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.3 | 19:25 | 19:29 | 19:34 | 9775 |
| M3.4 | 18:32 | 18:43 | 19:03 | — |
| M1.7 | 15:05 | 15:19 | 15:33 | 9775 |
| C5.4 | 12:15 | 12:21 | 12:29 | — |
| C3.4 | 08:54 | 08:58 | 09:19 | 9773 |
| C3.1 | 08:37 | 08:40 | 08:42 | 9773 |
| C4.1 | 07:36 | 07:42 | 07:53 | 9775 |
| C2.7 | 07:17 | 07:21 | 07:25 | — |
| M1.0 | 03:07 | 03:22 | 03:38 | 9775 |
| C3.0 | 01:55 | 01:56 | 01:57 | — |
| C4.7 | 01:05 | 01:23 | 01:30 | 9773 |