Solar flares — Dec 31, 2004
The strongest solar flare in the day
Flare of M1.2 level (strong) — in 14:45
Solar activity index
Value for Dec 31, 2004 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Dec 30, 2004 to Dec 31, 2004
Time zone — UTC+00 (London)

This chart in PNG format — high resolution
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List of solar flares for Dec 31, 2004
Total number of flares of class C and higher — 4 flares
C type — 3 | M type — 1 | X type — 0
start | maximum | end | region | |
---|---|---|---|---|
C6.8
|
14:52 | 14:59 | 15:04 | 715 |
M1.2
|
14:38 | 14:45 | 14:48 | 715 |
C5.7
|
04:11 | 04:44 | 05:13 | 715 |
C1.2
|
00:29 | 00:43 | 00:54 | — |