Solar flares on January 12, 2002
The most powerful solar flare in 24 hours
M3.4 (strong) flare - January 12 at 7:43 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+01 (Monaco)
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 | 20:25 | 20:29 | 20:34 | 9775 |
| M3.4 | 19:32 | 19:43 | 20:03 | — |
| M1.7 | 16:05 | 16:19 | 16:33 | 9775 |
| C5.4 | 13:15 | 13:21 | 13:29 | — |
| C3.4 | 09:54 | 09:58 | 10:19 | 9773 |
| C3.1 | 09:37 | 09:40 | 09:42 | 9773 |
| C4.1 | 08:36 | 08:42 | 08:53 | 9775 |
| C2.7 | 08:17 | 08:21 | 08:25 | — |
| M1.0 | 04:07 | 04:22 | 04:38 | 9775 |
| C3.0 | 02:55 | 02:56 | 02:57 | — |
| C4.7 | 02:05 | 02:23 | 02:30 | 9773 |