Solar flares on May 17, 2005
The most powerful solar flare in 24 hours
M1.8 (strong) flare - May 17 at 2:39 AM
Solar activity index
Value as of the end of the day on May 17, 2005
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 16, 2005 to May 17, 2005
Time zone — UTC+00
List of solar flares for May 17, 2005
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 |
|---|---|---|---|---|
| C1.1 | 23:47 | 23:53 | 23:58 | 763 |
| C2.8 | 05:47 | 05:53 | 05:55 | 763 |
| C8.4 | 03:58 | 04:03 | 04:05 | 763 |
| M1.8 | 02:31 | 02:39 | 02:52 | 763 |