Solar flares on July 12, 2004
The most powerful solar flare in 24 hours
M6.7 (strong) flare - July 12 at 8:17 PM
Solar activity index
Value as of the end of the day on July 12, 2004
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 11, 2004 to July 12, 2004
Time zone — UTC-04 (Quebec) — summer time
List of solar flares for July 12, 2004
The total number of solar flares of class C and higher — 11 flares
C class — 9 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M6.7 | 20:09 | 20:17 | 20:23 | 646 |
| C2.5 | 17:46 | 17:51 | 17:59 | 649 |
| C1.7 | 17:19 | 17:28 | 17:38 | 649 |
| C4.5 | 14:31 | 14:43 | 14:54 | 649 |
| C1.8 | 12:45 | 12:48 | 12:50 | — |
| C3.2 | 11:50 | 12:02 | 12:15 | 649 |
| C3.4 | 08:49 | 09:02 | 09:12 | 649 |
| M1.6 | 03:36 | 04:08 | 04:59 | — |
| C2.8 | 03:11 | 03:19 | 03:26 | — |
| C2.2 | 02:21 | 02:29 | 02:37 | — |
| C5.5 | 00:28 | 00:38 | 00:44 | — |