Solar flares on February 20, 2002
The most powerful solar flare in 24 hours
M5.1 (strong) flare - February 20 at 11:42 AM
Solar activity index
Value as of the end of the day on February 20, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from February 19, 2002 to February 20, 2002
Time zone — UTC+05:30 (Srinagar)
List of solar flares for February 20, 2002
The total number of solar flares of class C and higher — 12 flares
C class — 8 | M class — 4 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M3.5 | 22:33 | 22:41 | 22:48 | — |
| C9.7 | 21:48 | 21:56 | 21:59 | 9830 |
| C3.1 | 19:56 | 19:59 | 20:03 | — |
| C4.5 | 16:59 | 17:09 | 17:17 | 9825 |
| C7.5 | 16:32 | 16:37 | 16:42 | 9825 |
| M4.3 | 15:16 | 15:29 | 15:34 | 9825 |
| C2.5 | 13:11 | 13:14 | 13:16 | 9825 |
| M5.1 | 11:22 | 11:42 | 11:46 | 9825 |
| M4.2 | 08:14 | 08:21 | 08:26 | 9825 |
| C1.7 | 07:44 | 07:48 | 07:51 | — |
| C2.1 | 06:40 | 06:44 | 06:49 | 9830 |
| C1.3 | 03:57 | 04:01 | 04:03 | — |