Solar flares on February 17, 2013
The most powerful solar flare in 24 hours
M1.9 (strong) flare - February 17 at 10:50 AM
Solar activity index
Value as of the end of the day on February 17, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from February 16, 2013 to February 17, 2013
Time zone — UTC-05 (Thunder bay)
List of solar flares for February 17, 2013
The total number of solar flares of class C and higher — 4 flares
C class — 3 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.0 | 21:36 | 21:41 | 21:44 | 1675 |
| C1.0 | 14:57 | 15:00 | 15:02 | 1675 |
| M1.9 | 10:45 | 10:50 | 10:52 | 1675 |
| C2.5 | 10:26 | 10:40 | 10:43 | 1675 |