Solar flares on April 27, 2003
The most powerful solar flare in 24 hours
M2.5 (strong) flare - April 27 at 3:40 AM
Solar activity index
Value as of the end of the day on April 27, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 26, 2003 to April 27, 2003
Time zone — UTC+04 (Yerevan)
List of solar flares for April 27, 2003
The total number of solar flares of class C and higher — 12 flares
C class — 10 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.2 | 20:01 | 20:08 | 20:35 | 338 |
| M1.7 | 19:27 | 19:32 | 19:35 | 338 |
| C1.7 | 17:29 | 17:33 | 17:41 | 338 |
| C1.6 | 16:10 | 16:17 | 16:30 | 338 |
| C3.6 | 12:09 | 12:16 | 12:22 | 338 |
| C8.1 | 11:37 | 11:40 | 11:43 | — |
| C2.5 | 09:37 | 09:41 | 09:43 | 338 |
| C6.5 | 07:37 | 07:57 | 08:16 | 338 |
| C6.7 | 06:22 | 06:36 | 06:49 | 338 |
| C9.3 | 04:50 | 05:01 | 05:21 | 338 |
| C1.2 | 03:53 | 03:57 | 04:01 | 338 |
| M2.5 | 03:37 | 03:40 | 03:42 | 338 |