Solar flares on February 1, 2003
The most powerful solar flare in 24 hours
M1.2 (strong) flare - February 1 at 9:05 AM
Solar activity index
Value as of the end of the day on February 1, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from January 31, 2003 to February 1, 2003
Time zone — UTC+00 (London)
List of solar flares for February 1, 2003
The total number of solar flares of class C and higher — 9 flares
C class — 8 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.0 | 23:14 | 23:18 | 23:35 | 276 |
| C9.9 | 19:32 | 19:54 | 20:10 | 276 |
| C1.0 | 19:04 | 19:08 | 19:10 | 276 |
| C1.3 | 17:02 | 17:15 | 17:23 | 276 |
| C1.4 | 11:59 | 12:03 | 12:08 | 276 |
| C2.7 | 11:33 | 11:41 | 11:45 | 276 |
| M1.2 | 08:48 | 09:05 | 09:38 | 276 |
| C2.6 | 06:05 | 06:13 | 06:17 | 276 |
| C1.5 | 00:13 | 00:19 | 00:25 | 276 |