Solar flares on October 17, 2001
The most powerful solar flare in 24 hours
M1.1 (strong) flare - October 17 at 2:23 PM
Solar activity index
Value as of the end of the day on October 17, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 16, 2001 to October 17, 2001
Time zone — UTC+03 (Pskov)
List of solar flares for October 17, 2001
The total number of solar flares of class C and higher — 7 flares
C class — 6 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.5 | 20:17 | 20:21 | 20:24 | 9661 |
| C3.9 | 19:13 | 19:21 | 19:34 | 9659 |
| M1.1 | 14:16 | 14:23 | 14:28 | 9658 |
| C2.51 | 12:30 | 12:43 | 12:56 | — |
| C2.33 | 11:35 | 11:47 | 11:50 | — |
| C3.5 | 10:14 | 10:21 | 10:30 | 9661 |
| C2.2 | 00:58 | 01:02 | 01:07 | — |