Solar flares — Sep 20, 2011
The strongest solar flare in the day
Flare of C9.5 level (normal) — in 05:13
Solar activity index
Value for Sep 20, 2011 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Sep 19, 2011 to Sep 20, 2011
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Sep 20, 2011
Total number of flares of class C and higher — 11 flares
C type — 11 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C3.0
|
21:38 | 21:42 | 21:46 | 1295 |
|
C2.7
|
19:23 | 20:00 | 20:14 | 1295 |
|
C1.6
|
17:35 | 17:42 | 17:50 | 1295 |
|
C1.5
|
15:45 | 16:33 | 16:57 | — |
|
C2.5
|
12:44 | 13:53 | 14:22 | 1301 |
|
C1.7
|
12:28 | 12:34 | 12:38 | 1301 |
|
C1.7
|
12:15 | 12:19 | 12:26 | — |
|
C1.6
|
11:48 | 11:52 | 11:56 | 1296 |
|
C2.0
|
06:44 | 06:56 | 07:00 | 1301 |
|
C9.5
|
05:00 | 05:13 | 05:17 | 1296 |
|
C1.4
|
00:15 | 00:19 | 00:23 | 1296 |