Solar flares on October 27, 2001
The most powerful solar flare in 24 hours
C7.2 (normal) flare - October 27 at 6:28 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+03 (Riga)
List of solar flares for October 27, 2001
The total number of solar flares of class C and higher — 11 flares
C class — 11 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.5 | 23:40 | 23:42 | 23:45 | 9678 |
| C3.5 | 22:30 | 22:45 | 23:00 | — |
| C4.2 | 21:41 | 21:46 | 21:51 | 9672 |
| C3.8 | 19:30 | 19:35 | 19:41 | 9678 |
| C7.2 | 18:20 | 18:28 | 18:34 | 9682 |
| C5.4 | 16:06 | 16:11 | 16:19 | — |
| C3.6 | 15:23 | 15:27 | 15:29 | 9672 |
| C4.3 | 12:28 | 12:31 | 12:35 | — |
| C6.3 | 11:05 | 11:21 | 11:58 | 9678 |
| C3.5 | 03:34 | 03:39 | 03:45 | — |
| C2.8 | 00:03 | 00:12 | 00:26 | 9678 |