Solar flares on November 4, 2011
The most powerful solar flare in 24 hours
M1.0 (strong) flare - November 4 at 8:40 PM
Solar activity index
Value as of the end of the day on November 4, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from November 3, 2011 to November 4, 2011
Time zone — UTC+00 (London)
List of solar flares for November 4, 2011
The total number of solar flares of class C and higher — 7 flares
C class — 6 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.6 | 22:25 | 22:43 | 23:06 | 1339 |
| M1.0 | 20:31 | 20:40 | 20:46 | 1339 |
| C2.9 | 19:25 | 19:33 | 19:47 | 1339 |
| C1.8 | 10:50 | 10:55 | 11:01 | — |
| C8.6 | 03:22 | 03:53 | 04:16 | — |
| C5.4 | 00:26 | 01:01 | 01:43 | — |
| C3.8 | 00:01 | 00:11 | 00:16 | 1339 |