altazimuth

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Related to Altazimuth mount: Equatorial mount
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Words related to altazimuth

an instrument that measures the altitude and azimuth of celestial bodies

References in periodicals archive ?
A popular altazimuth mount is the sturdy, boxy Dobsonian design.
In the 1917 May Journal Ainslie wrote a useful three page paper (37) entitled: Notes from the Instrument Committee--On the Choice of a Telescope in which he explained the relative advantages and disadvantages of reflectors, refractors, equatorial mounts and altazimuth mounts.
Superficially, the two have much in common--both are basic 5-inch Newtonian reflectors on altazimuth mounts.
But in the 1960s computers made it possible to track the sky automatically on an altazimuth mount by turning both axes at precisely calculated speeds--a design that the professionals were quick to adopt.
1-inch (130-mm) f/5 Newtonian Reflector coupled to the company's most technologically advanced Go To Altazimuth mount to date.
3 Finder unit-power Mount type German equatorial Motor drive optional Computerized "Go To" no Supplied eyepieces 10 mm (90x), 20 mm (45x) Also available: FirstScope 80 AZ on an altazimuth mount for $249.
And that alone gave me good feelings about Astro-Tech's new Voyager altazimuth mount from the outset.
For instance, one might put an apochromatic refractor onto a heavyweight equatorial mount for astrophotography but use the same scope on a lightweight altazimuth mount for airplane travel.
A Go To scope on an altazimuth mount, a suitable arrangement for planetary snapshots, won't work--it must be polar aligned.
The Parks Astrolight AZ8 System has two main components: an 8-inch (200-millimeter) f/6 Newtonian optical tube assembly (OTA) and the Astrolight altazimuth mount.
It offers attractive optical capabilities on an easy-to-use, stable, and portable altazimuth mount.
Coupled with a newly designed, pier-supported altazimuth mount, these telescopes offer the operational simplicity and convenience of a Dobsonian, but with an eyepiece height that is comfortable for a standing adult.
An altazimuth mount operates like a photo tripod's pan-and-tilt head, directing the scope to any desired position via a combination of up-down (altitude) and left-right (azimuth) movements.