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Topic: Equatorial mount

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	A pipe mount is a German equatorial mount built with plumbing supplies
		The axis is a pipe the mount turns around is known as the "polar shaft" because it aligns itself with the Earth’s axis by pointing at the celestial pole for your hemisphere.
		One is between the floor flange on the telescope mounting plate and the pipe nipple that connects it to the tee connector.
		Attach your telescope to the telescope mounting plate by whatever means you choose (straps or rings) and balance the telescope with the counterweights by adding or subtracting weights, as necessary, or by moving the counterweights up and down the counterweight shaft.
	www.visi.com /~dbrown/pipemount.htm (956 words)

	Equatorial mount - Wikipedia, the free encyclopedia
		An equatorial mount is a mount used for moving a telescope or camera along two perpendicular axes of motion.
		Equatorial mounts are often equipped with a motor drive for automatic tracking of objects across the night sky.
		The advantage of an equatorial mount lies in its ability to track an object moving across the sky using constant speed movement around only one axis, unlike an altazimuth mount, which requires variable speed motion around both axes to track the diurnal motion.
	en.wikipedia.org /wiki/Equatorial_mount (545 words)

	Telescope mount - Wikipedia, the free encyclopedia
		In astronomy, the telescope mount is an important part of the overall design of an operational telescope.
		Many sorts of mounts have been developed over the years, with the majority of effort being put into systems that can track the motion of the stars as the Earth rotates with a single motion.
		By tilting the horizontal base of an alt-az system up until it is parallel to Earth's equatorial plane, the azimuth rotation then swings the telescope in an arc that follows the stars as they move across the sky due to Earth's rotation.
	en.wikipedia.org /wiki/Telescope_mount (335 words)

	Equatorial Mount
		The equatorial mount is constructed from aluminum except for the gears and drive shafts.
		The RA drive is mounted on a large block, which pivots on a steel shaft for latitude adjustment.
		The telescope is mounted on the DEC axis between the tines of the fork.
	rise.hao.ucar.edu /InstDoc/equatorial_mount.htm (681 words)

	Telescope Mount
		Like the alt-az mount, the equatorial mount is made up of two perpendicular axis known as the right ascension (or polar) axis and the declination axis.
		The motorized Equatorial Mount is the preferred mount for astronomers wishing to view objects for long periods of time or capturing images using some type of camera system.
		Although German mounts are the preferred choice for telescopes with long tubes, the fork equatorial mount is usually found on the more compact telescopes like the Schmidt-Cassegrain.
	www.mnastro.org /learning/telescope_mount.htm (749 words)

	Telescope Mounts (Site not responding. Last check: 2007-10-30)
		Once configured the equatorial mounted telescope can be aimed with their setting circles using an astronomical coordinate system.
		Heavier telescopes stress the mount, and this is particularly true with equatorial mounts.
		Equatorial telescopes can be crudely pushed and pulled into position, but if they are polar aligned you can use the manual setting circles to position your scope to get into the general area of where you are supposed to look.
	www.memphisastro.org /Mounts.html (2478 words)

	Howstuffworks "How Telescopes Work"
		equatorial - type of telescope mount that uses two axes (right ascension, or polar, and declination) aligned with the poles to track the motion of an object across the sky.
		Although the alt-azimuth mount is simple and easy to use, it does not properly track the motion of the stars.
		Fork mount - a two-pronged fork that sits on a wedge that is aligned with the Earth's pole.
	science.howstuffworks.com /telescope5.htm (582 words)

	Equatorial Mount, Telescope (Site not responding. Last check: 2007-10-30)
		There are many advantages to an equatorial mount but they are more complicated than the more common Dobson mount and generally far less stable per dollar spent.
		The key to the stability of the mount lies in the fact that the polar axis for this design can be as large in diameter as desired without the concommitant need for it to be long and consequently very heavy and hard to handle.
		The aluminum plate can be mounted to a tilted tripod in a number of ways or bolted to an adjustable wedge for mounting on a pier.
	schmidling.netfirms.com /gem.htm (571 words)

	An Equatorial Mount for the Planetary Telescope (Site not responding. Last check: 2007-10-30)
		However, two weak points mounts can be the point at which the equatorial head meets the pedestal (wedge) and the point at which the wedge is the coupled to the pier can nullify the advantages of a large pier.
		The pier must attach to the equatorial head with a wedge that aligned with the latitude the particular observer is located.
		Since this interfaces the tube to the mount it must be made to dampen out vibrations from both eternal and internal forces, and to provide a strong platform for the tube.
	www.tnni.net /~dustymars/misc/Equ_Mount.htm (3448 words)

	Telescope mountings
		The mounting is as important to your telescope as tires are to a car.
		Of the types of equatorial mounts used, the fork and German Equatorial are the most common.
		The German Equatorial is popular for astrophotography but is inherently unsteady and needs to be as large and beefy as possible to eliminate vibrations.
	www.starstuff.com /mounts.htm (460 words)

	K3's Astrophotography - Mount Errors
		For longer exposures it is necessary to use motor driven equatorial mount.
		Telescope mounted on equatorial mount is rotating in opposite direction of Earth rotation, thus no trails should appear.
		As mount's shaft rotates, any error in its surface and shape and also in worm and worm gear surfaces and shapes causes a periodic bump in tracking.
	www.pk3.org /Astro/astrophoto_mount_errors.htm (1273 words)

	Telescope Mounts and Tripods - Orion Telecopes & Binoculars (Site not responding. Last check: 2007-10-30)
		Invented by San Francisco telescope-maker John Dobson in the 1970s, this boxy mount is constructed of wood and sits low to the ground.
		The equatorial mount is the preferred type for astronomy.
		Also, with better equatorial mounts, astronomical objects can be located by their celestial coordinates (found in observing guides and star atlases) using the RA and Dec setting circles.
	www.telescope.com /sdx/H3191.jsp (323 words)

	Basic Telescopes
		With an equatorial mount, the field seen in an eyepiece or camera is fixed in orientation (e.g.
		Consider the case of tracking a star that passes near the zenith: as the zenith is passed the telescope must rotate nearly 180° in azimuth which means that a camera mounted rigidly to the telescope tube would rotate relative to the objects being imaged.
		Thus instruments on an altazimuth mounted telescope must be mounted on a bearing which must be rotated at the correct rate to compensate for field rotation.
	www.astro.ufl.edu /~oliver/ast3722/lectures/BasicScopes/BasicScopes.htm (990 words)

	Orion Skyview Deluxe / EQ3 / CG4 (Site not responding. Last check: 2007-10-30)
		A well-aligned equatorial mount allows you to keep a particular study centered in the field by tweaking only one control.
		That mount was purchased new (not as a second) in May 2002.
		I assume the mount was originally purchased to support a "scopists" instrument intended for lunar-planetary and double star observing.
	astro.geekjoy.com /scopes/EQ3_CG4_mount.html (2723 words)

	Vixen Mounts are excellent for customizing your telescope system. (Site not responding. Last check: 2007-10-30)
		Proving that the goals of stability and portability are not mutually exclusive in a German equatorial mount, the GP mount's aluminum die-cast body is strong and light.
		This mount body comes fully equipped: metal setting circles, illuminated polar axis scope with reticle for both hemispheres, bubble-level, fine adjustment knobs for altitude/azimuth, and a 3.7-kg (8-lb) counterweight are standard.
		For observation and astrophotography in the region close to the equator, the use of the half-pillar is recommended to prevent the weight-shaft from colliding with the tripod.
	www.thescienceshop.ca /vixen_mounts/vixen_mounts_splash.htm (3131 words)

	Sky-Watcher Telescope. EQ6 Mount (Site not responding. Last check: 2007-10-30)
		The Sky-watcher EQ6 Heavy-Duty Equatorial Mount is the first of its kind, it is a precision instrument capable of carrying massive loads but at the same time it is very reasonably priced.
		The height of the mount from tripod support to the top of the saddle plate is 406mm.
		The mount is equipped with a built-in dual axis drives.
	www.skywatchertelescope.net /EQ6.html (397 words)

	Observatorio ARVAL - Polar Alignment for Meade LXD55/75 Autostar telescopes
		The base of the mount should be oriented in the north-south direction, so that the Polar Axis of the telescope is in the plane of the local meridian.
		Correct the Azimuth of the mount so that the star is as close as possible to the center of the field visible on the telescope.
		Correct the Elevation of the mount for the star to be as near as possible to the center of the field visible in the telescope.
	www.oarval.org /LXD55PolAlign.htm (2864 words)

	Losmandy G11 Equatorial Telescope Mount Manual
		Rotate the equatorial mount on the central column until the holes in the mount line up with those in the central column.
		There are three possible orientations of the equatorial mount which allow you to select the most convenient location of the electronic console.
		Slightly loosen the knob that holds the telescope to the mounting platform and slide the telescope either forward or backward until it remains stationary when the DEC clutch is loose.
	www.losmandy.co.uk /g11man.htm (3889 words)

	High Point Scientific, Inc. - Telescopes, Binoculars, Sport Optics and Accessories.
		The GP-DX mount has the appearance of the compact and portable GP-E mount, but with a higher level of performance and sturdiness.
		Throughout the World, this is a widely respected and enjoyed German equatorial mount for large telescopes and long-exposure imaging.
		This is the GP-DX mount with a handsome set of Ash Wood legs (height to top of tripod base adjusts from 31" to 42" / 78.5cm to 106.5cm).
	www.highpointscientific.com /store/viewItem.asp?idProduct=2901 (386 words)

	Equatorial Mount, Telescope
		There are many advantages to an equatorial mount but they are more complicated than the more common Dobson mount and generally far less stable per dollar spent.
		The key to the stability of the mount lies in the fact that the polar axis for this design can be as large in diameter as desired without the concommitant need for it to be long and consequently very heavy and hard to handle.
		The aluminum plate can be mounted to a tilted tripod in a number of ways or bolted to an adjustable wedge for mounting on a pier.
	schmidling.com /gem.htm (571 words)

	German Equatorial Mount (Site not responding. Last check: 2007-10-30)
		Almost complete, motors still not mounted, and final polishing yet to be done.
		A few things remain to be done, but the mount performs extremely well.
		The mount on it's pier can be seen here.
	home.earthlink.net /~cwicks1/GEM.html (221 words)

	Synta Skywatcher EQ-6 (EQ6): Equatorial Telescope Mount Review
		I add the mount to the tripod, take the polar scope protection cap off (both ends) then turn the DEC shaft such that i can see right through the polar scope to the grass.
		Having only ever seen other people set up their equatorial mounts i didnt really have a clue what i was doing so i turned to my old pal google and did a few searches on polar alignment in general and also EQ-6 polar alignment.
		The first thing i noticed was the polar illuminator, yes, the newer mount has one built in and it even has a potentiometer to vary the intensity of the red illuminator LED.
	robert.thegeakes.co.uk /astro/eq6 (1604 words)

	Alt-Az Myths and The Equatorial Fork Mount
		The equatorial mount may require additional floor space to the south (in the northern hemisphere) depending upon the latitude of the site.
		Also, the alt-az mount may simplify some structure and bearing considerations for static loads, but the alt-az and the equatorial configurations share a very similar optical tube assembly so have the same dynamic (i.e.
		For an equatorial telescope, time errors only introduce an offset error which is zeroed when the telescope is initialized.
	www.atmsite.org /contrib/Harbour/AltAzEq.html (979 words)

	Woodware Designs -- Simple Equatorial Telescope Mount with Setting Circles -- Freebie
		This mount is made from a pieces of 3/4 inch plywood, bits of wood, and some pieces of pipe.
		The declination circle is in degrees and the wheel is attached to the telescope and the pointer to the pipe support.
		All that is left is to reassemble the mount, relubricate the joints, and install the telescope.
	www.charm.net /~jriley/sky/mount1.html (2644 words)

	Astro-Physics 1200GTO German Equatorial Mount 2004
		The 1200 equatorial is equally at home in a permanent observatory or as a portable mounting for remote star parties thanks to the ease with which the two axes come apart.
		This 1200 Standard Pier Adapter is similar to those that we have included with mounts in the past, however the azimuth adjustment block is slightly taller to accommodate the azimuth adjustor assembly.
		PDF document of you are planning an observatory and need to know the variations in the horizontal distance from the center of the mount base plate to the center of the declination axis that are caused by different latitude settings.
	www.astro-physics.com /products/mounts/1200gto/1200gto.htm (3410 words)

	Telescope Mounts (Site not responding. Last check: 2007-10-30)
		Some altazimuth mounts are equipped with slow-motion controls, which allow fine adjustment of the telescope's aim to help zero in on a target object.
		Besides being inexpensive, Dobsonian mounts are inherently strong - capable of supporting giant Newtonian reflectors.
		Also, with better equatorial mounts, astronomical objects can be located by their celestial coordinates (
	www.twcac.org /Tutorials/telescope_mounts.htm (281 words)

	Company Seven \| Orion SkyView Pro™ German Equatorial Telescope Mount
		The Equatorial Mount is designed to gradually turn a telescope in the opposite direction from that which the Earth is rotating, at the same apparent speed as the Celestial objects are moving.
		An equatorial mount will provide acceptable results for visual uses if the mount is aligned to within about one ot two degrees of the Celestial Pole.
		The SkyView Pro™ equatorial mount is a very suitable choice for use with many of the lighter weight 3 (80mm) to 4 inch (10cm) aperture refracting telescopes, and some Catadioptric telescopes.
	www.company7.com /orion/mounts/orionsvpmount.html (3150 words)

	Celestron Advanced Series Computerized Equatorial Mount 91518 (Site not responding. Last check: 2007-10-30)
		It may be noticeable in the Advanced Series mount during long exposure astrophotography, due to the relatively small size of the drive gears.
		The mount has setting circles for manually locating objects by their celestial coordinates alone, should you want to observe the old-fashioned way.
		With the Advanced Series go-to mount and the CN16, orienting the scope in time and space on earth and aligning the scope on the sky becomes almost as easy a task as simply turning the scope on.
	www.astronomics.com /main/Celestron_Advanced_Series_Computerized_Equatorial_Mount91518.asp/catalog_name/Astronomics/category_name/LRNUN3QEHVXV9JJ389JS82DRU0/product_id/ASCM (1545 words)

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