Solar flares on October 27, 2003
The most powerful solar flare in 24 hours
M6.7 (strong) flare - October 27 at 4:43 AM
Solar activity index
Value as of the end of the day on October 27, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 26, 2003 to October 27, 2003
Time zone — UTC-08 (Anchorage) — summer time
List of solar flares for October 27, 2003
The total number of solar flares of class C and higher — 14 flares
C class — 10 | M class — 4 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C7.7 | 21:07 | 21:11 | 21:14 | 484 |
| C7.5 | 17:27 | 17:33 | 17:45 | 486 |
| C6.7 | 16:56 | 16:59 | 17:02 | 484 |
| C5.3 | 16:41 | 16:45 | 16:48 | 488 |
| C6.8 | 15:45 | 15:52 | 16:09 | 486 |
| C4.1 | 15:12 | 15:17 | 15:22 | 488 |
| M1.9 | 13:46 | 13:51 | 14:05 | 488 |
| C9.0 | 11:48 | 11:57 | 12:16 | 484 |
| C7.5 | 10:34 | 10:45 | 10:55 | 486 |
| C5.7 | 06:53 | 06:57 | 07:07 | 488 |
| C5.1 | 06:02 | 06:11 | 06:21 | 488 |
| M6.7 | 04:27 | 04:43 | 04:52 | 486 |
| M5.0 | 01:21 | 01:27 | 01:32 | 486 |
| M2.7 | 23:51 | 00:33 | 01:24 | 484 |