Solar flares on January 20, 2005
The most powerful solar flare in 24 hours
X7.1 (very strong) flare - January 20 at 12:31 PM
Solar activity index
Value as of the end of the day on January 20, 2005
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from January 19, 2005 to January 20, 2005
Time zone — UTC+05:30 (Jaipur)
List of solar flares for January 20, 2005
The total number of solar flares of class C and higher — 6 flares
C class — 5 | M class — 0 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.6 | 23:43 | 23:46 | 23:49 | 720 |
| C8.0 | 21:38 | 21:44 | 21:49 | 720 |
| X7.1 | 12:06 | 12:31 | 12:56 | 720 |
| C4.8 | 08:51 | 09:00 | 09:06 | 720 |
| C1.6 | 06:07 | 06:17 | 06:26 | 720 |
| C5.3 | 04:48 | 04:54 | 04:59 | 723 |