Solar flares on April 12, 2001
The most powerful solar flare in 24 hours
X2.0 (very strong) flare - April 12 at 12:28 PM
Solar activity index
Value as of the end of the day on April 12, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 11, 2001 to April 12, 2001
Time zone — UTC+02 (Vienna) — summer time
List of solar flares for April 12, 2001
The total number of solar flares of class C and higher — 5 flares
C class — 3 | M class — 1 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.0 | 18:28 | 18:29 | 18:31 | — |
| C1.1 | 16:54 | 17:01 | 17:04 | — |
| X2.0 | 11:39 | 12:28 | 12:49 | 9415 |
| M1.3 | 04:56 | 05:04 | 05:29 | 9415 |
| C7.7 | 01:56 | 02:08 | 02:25 | 9415 |