Circumhorizon arc
Circumhorizon arc
http://www.sundog.clara.co.uk/halo/cha.htm
The circumhorizon arc is a very large halo, always near to the
horizon and only visible when the sun is more than 58° high. Look for
it around noon in mid summer when the sun is at its highest. Usually
only fragments are visible where there happen to be cirrus clouds.
See: http://www.sundog.clara.co.uk/halo/cha.htm
.
Relevant Pages
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... the north pole would see the sun ... south horizon ... degrees above the southern horizon at noon. ... from then until the solstice, ...
(sci.astro.amateur) - =?windows-1252?Q?Re=3A_Equinox_=96_lygiadienis?=
... below the horizon at every location on Earth and night and day will be ... the Sun appears as a disc and not a single ... Dabar pavasario lygiadienio ta kas yra uv vaig dyne, ... rudens lygiadienio ta kas - Mergel s vaig dyne. ...
(soc.culture.baltics) - Re: length of day question
... the setting sun makes with the western horizon and this determines the ... When the sun sets obliquely to the horizon it takes ... determines how fast it gets dark, twilight lasts longer at higher ...
(sci.astro.amateur) - Re: length of day question
... When the sun sets obliquely to the horizon it takes ... determines how fast it gets dark, twilight lasts longer at higher ... It explains why the sun sets vertically at the equator and obliquely at all other latitudes except for the poles. ...
(sci.astro.amateur) |
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