Originally Posted by
beer4life
For deep
space tracking, i.e. star observation,
the elevation setting of the polar mount
is equal to the latitude of the site
location. However, geostationary
satellites are much closer to earth than are celestrial objects and their observation requires a slight tilting 'downwards' from deep space
observation settings to see the geostationary satellite arc. This adjustment of (to) the polar mount, the tilting downwards, is the declination adjustment of the polar mount and its amount is the declination offset angle (not to be confused with the declination angle which is the sum of the declination offset angle and the polar axis zenith elevation angle).
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