Solar flares on January 12, 2002
The most powerful solar flare in 24 hours
M3.4 (strong) flare - January 12 at 1:43 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-05 (Kingston)
List of solar flares for January 12, 2002
The total number of solar flares of class C and higher — 10 flares
C class — 6 | M class — 4 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C8 | 22:59 | 23:01 | 23:03 | 9778 |
| M1.4 | 22:04 | 22:10 | 22:13 | 9773 |
| M1.3 | 14:25 | 14:29 | 14:34 | 9775 |
| M3.4 | 13:32 | 13:43 | 14:03 | — |
| M1.7 | 10:05 | 10:19 | 10:33 | 9775 |
| C5.4 | 07:15 | 07:21 | 07:29 | — |
| C3.4 | 03:54 | 03:58 | 04:19 | 9773 |
| C3.1 | 03:37 | 03:40 | 03:42 | 9773 |
| C4.1 | 02:36 | 02:42 | 02:53 | 9775 |
| C2.7 | 02:17 | 02:21 | 02:25 | — |