Solar flares on October 19, 2001
The most powerful solar flare in 24 hours
X1.6 (very strong) flare - October 19 at 11:30 PM
Solar activity index
Value as of the end of the day on October 19, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 18, 2001 to October 19, 2001
Time zone — UTC+07 (Barnaul)
List of solar flares for October 19, 2001
The total number of solar flares of class C and higher — 15 flares
C class — 8 | M class — 5 | X class — 2
| Class | begin | max | end | region |
|---|---|---|---|---|
| X1.6 | 23:13 | 23:30 | 23:43 | 9661 |
| C3.2 | 22:45 | 22:48 | 22:51 | 9671 |
| C3.5 | 21:36 | 21:53 | 22:06 | — |
| C3.8 | 20:36 | 20:40 | 20:44 | 9658 |
| C7.8 | 19:19 | 19:33 | 19:42 | 9672 |
| M5.7 | 16:35 | 16:43 | 16:55 | 9658 |
| C8.9 | 13:56 | 14:00 | 14:04 | 9661 |
| M1.3 | 13:35 | 13:45 | 13:53 | 9658 |
| C4.2 | 12:26 | 12:29 | 12:36 | — |
| M1.0 | 10:14 | 10:16 | 10:18 | — |
| M1.4 | 09:52 | 09:58 | 10:03 | 9671 |
| M1.2 | 09:20 | 09:32 | 09:46 | — |
| X1.6 | 07:47 | 08:05 | 08:13 | 9661 |
| C3.0 | 06:37 | 06:44 | 06:48 | 9661 |
| C8.5 | 01:58 | 02:05 | 02:11 | 9672 |