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A large German equatorial mount on the Forststernwarte Jena 50cm Cassegrain reflector telescope. An equatorial mount is a mount for instruments that compensates for Earth's rotation by having one rotational axis, called polar axis, parallel to the Earth's axis of rotation. [1] [2] This type of mount is used for astronomical telescopes and cameras.
An equatorial platform or equatorial table is an equatorial telescope mount in the form of a specially designed platform that allows any device sitting on it to track astronomical objects in the sky on an equatorial axis. [1] They are used to give equatorial tracking to any device sitting on them, from small cameras up to entire observatory ...
A telescope mount is a ... early telescope designs and until the second half of the 20th century was used as a "less sophisticated" alternative to equatorial mounts ...
In the Northern Hemisphere, rough alignment can be done by visually aligning the axis of the telescope mount with Polaris.In the Southern hemisphere or places where Polaris is not visible, a rough alignment can be performed by ensuring the mount is level, adjusting the latitude adjustment pointer to match the observer's latitude, and aligning the axis of the mount with true south or north by ...
For an equatorial GoTo telescope mount, the user must align the mount by hand with either the north celestial pole or the south celestial pole. Assuming the user is accurate in the alignment, the mount points the telescope to a bright star, asking the user to center it in the eyepiece.
The 28-inch telescope was installed on the same mounting as an older 12.8 inch aperture refractor at the same location. [1] The 12.8 inch was moved to be a guide telescope for the Thompson 26-inch refractor. [1] The mounting dates to the 1850s. [2] [7] The mounting is an English equatorial mount built by Ransomes and Sims, and Williams Sims. [4]