Solar flares — Dec 28, 2011
The strongest solar flare in the day
Flare of C7.2 level (normal) — in 14:25
Solar activity index
Value for Dec 28, 2011 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Dec 27, 2011 to Dec 28, 2011
Time zone — UTC+00 (London)

This chart in PNG format — high resolution
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List of solar flares for Dec 28, 2011
Total number of flares of class C and higher — 16 flares
C type — 13 | M type — 0 | X type — 0
start | maximum | end | region | |
---|---|---|---|---|
B8.6
|
22:55 | 22:58 | 23:02 | — |
C6.2
|
21:21 | 21:29 | 21:36 | 1389 |
C2.3
|
20:53 | 21:07 | 21:10 | 1384 |
C4.0
|
20:18 | 20:31 | 20:40 | 1386 |
C1.3
|
19:46 | 19:51 | 19:55 | — |
C6.4
|
16:36 | 16:40 | 16:44 | 1387 |
C3.1
|
16:03 | 16:10 | 16:25 | — |
C7.2
|
14:17 | 14:25 | 14:28 | 1389 |
C2.0
|
13:05 | 13:10 | 13:16 | — |
B8.7
|
12:09 | 12:13 | 12:18 | — |
C1.1
|
11:49 | 11:53 | 11:57 | — |
B9.6
|
10:48 | 10:52 | 10:58 | — |
C2.6
|
05:19 | 05:28 | 05:35 | 1389 |
C4.5
|
03:30 | 03:50 | 04:10 | 1389 |
C2.1
|
01:54 | 02:08 | 02:16 | 1389 |
C2.3
|
00:14 | 00:30 | 00:40 | 1387 |