Solar flares on October 29, 2004
The most powerful solar flare in 24 hours
M4.2 (strong) flare - October 29 at 9:18 PM
Solar activity index
Value as of the end of the day on October 29, 2004
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 28, 2004 to October 29, 2004
Time zone — UTC-09 (Honolulu) — summer time
List of solar flares for October 29, 2004
The total number of solar flares of class C and higher — 12 flares
C class — 10 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.6 | 23:53 | 23:58 | 00:01 | — |
| C5.5 | 21:55 | 22:01 | 22:05 | 691 |
| M4.2 | 21:08 | 21:18 | 21:22 | 691 |
| C1.1 | 20:50 | 20:55 | 20:59 | — |
| C1.2 | 19:11 | 19:16 | 19:21 | — |
| M3.3 | 18:23 | 18:33 | 18:37 | 691 |
| C1.6 | 17:09 | 17:16 | 17:22 | — |
| C9.7 | 15:39 | 15:49 | 15:53 | 691 |
| C2.8 | 07:26 | 07:33 | 07:35 | 693 |
| C2.4 | 05:30 | 05:36 | 05:41 | 693 |
| C1.4 | 03:40 | 03:43 | 03:45 | 693 |
| C1.1 | 01:51 | 01:55 | 01:57 | 693 |