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Telescope Mounts For Sale
Alt-Az / Alt Az / Alt/Az telescope mount - for Astro or Spotting Scope
US $110.58 End Date: Sunday Feb-05-2012 6:10:59 PST Buy It Now for only: US $110.58 Buy it now | Add to watch list
New White 16-40 x 80mm Telescope with Tripod w Mount
US $99.99 (0 Bid) End Date: Sunday Feb-05-2012 7:50:48 PST Buy It Now for only: US $109.99 Bid now | Buy it now | Add to watch list
FLUSH FLAT SMOOTH Mount Car & Truck Stereo Radio POWER ANTENNA Aerial Telescope
US $30.00 End Date: Sunday Feb-05-2012 8:04:00 PST Buy It Now for only: US $30.00 Buy it now | Add to watch list
1973 Press Photo Astronomical Observatory Telescope Mount Evans Colorado
US $27.88 End Date: Sunday Feb-05-2012 9:09:37 PST Buy It Now for only: US $27.88 Buy it now | Add to watch list
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Telescope Mounts
Mounts are invaluable, in not only taking
the weight of the telescope - for even the
lightest device can become heavy and cumbersome after a few hours - but in
positioning the telescope and keeping it steady.
By mounting telescopes, the instrument can
remain fixed on a set position in the sky. This also frees up your hands, so you can
keep records and more easily adjust the telescope when focusing on a new object.
There are two differing types of telescope mounts.
The Alt-Azimuth enables you to alter the
vertical (altitude) and horizontal (azimuth) axes to locate an object in the sky,
but is otherwise similar to a camera tripod.
There are two kinds of the Alt-Azimuth
mounts. The Ball and Socket mount which
allows for movement in all directions. And the Rocker Box, which
is made of plywood and consists of a horizontal circular base and Teflon ball
bearings that act as the altitude axis. These have a low center of gravity and
are excellent for heavier telescopes.
The second type of mount, the Equatorial, uses two axes, which line up with the
poles to track an o bject through the night sky. The axes can be either right
ascension, polar or declination depending on the object you are trying to track.
The axes of equatorial mounts are towards the Earth’s axis of rotation and thus can follow
a fixed object across the sky as long as it is lined up properly.
Again there are two styles of this type of mount. The German equatorial mount,
which is shaped like a T with the longer axis of the T lined up with the pole.
And then there is the fork mount, which as its name suggests, is
shaped like a fork,
again lined up with
the earth's pole with one axis being the base of the fork and the prongs the
other.
If you are planning to take a lot of photos through your telescope, Equatorial mounts for telescope
are excellent for taking pictures, as they allow for
long exposures.
About the Author: Scott Harker is the publisher of several websites including:
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Harvest The Sun | Nature,
Find Out About Pets,
Science Blog, and
Diverticulitis.
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