Solar flares on January 21, 2007
The most powerful solar flare in 24 hours
C2.3 (normal) flare - January 21 at 8:11 AM
Solar activity index
Value as of the end of the day on January 21, 2007
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from January 20, 2007 to January 21, 2007
Time zone — UTC-05 (Tasiujaq)
List of solar flares for January 21, 2007
The total number of solar flares of class C and higher — 1 flare
C class — 1 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.3 | 08:06 | 08:11 | 08:14 | 939 |