Solar flares — Dec 17, 2011
The strongest solar flare in the day
Flare of C3.2 level (normal) — in 22:55
Solar activity index
Value for Dec 17, 2011 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Dec 16, 2011 to Dec 17, 2011
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Dec 17, 2011
Total number of flares of class C and higher — 4 flares
C type — 3 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C1.2
|
23:37 | 23:44 | 23:49 | 1381 |
|
C3.2
|
22:47 | 22:55 | 22:58 | 1376 |
|
B4.3
|
21:35 | 21:38 | 21:40 | — |
|
C1.2
|
04:49 | 05:01 | 05:08 | 1376 |