Solar flares on October 27, 2001
The most powerful solar flare in 24 hours
M1.3 (strong) flare - October 27 at 11:50 PM
Solar activity index
Value as of the end of the day on October 27, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 26, 2001 to October 27, 2001
Time zone — UTC-05 (Jackson) — summer time
List of solar flares for October 27, 2001
The total number of solar flares of class C and higher — 13 flares
C class — 12 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.3 | 23:36 | 23:50 | 23:58 | 9682 |
| C5.9 | 21:30 | 21:44 | 21:46 | — |
| C3.4 | 19:10 | 19:14 | 19:19 | — |
| C9.1 | 16:44 | 16:52 | 17:00 | 9682 |
| C3.5 | 15:40 | 15:42 | 15:45 | 9678 |
| C3.5 | 14:30 | 14:45 | 15:00 | — |
| C4.2 | 13:41 | 13:46 | 13:51 | 9672 |
| C3.8 | 11:30 | 11:35 | 11:41 | 9678 |
| C7.2 | 10:20 | 10:28 | 10:34 | 9682 |
| C5.4 | 08:06 | 08:11 | 08:19 | — |
| C3.6 | 07:23 | 07:27 | 07:29 | 9672 |
| C4.3 | 04:28 | 04:31 | 04:35 | — |
| C6.3 | 03:05 | 03:21 | 03:58 | 9678 |