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The Meade LX200 is a family of commercial telescopes produced by Meade Instruments launched in 1992 with 8" (20.32 cm) and a 10" (25.4 cm) Schmidt–Cassegrain models on computerized altazimuth mounts. [1] [2] Two larger models, a 12" (30.48 cm) and a 16" (40.64 cm), quickly
In January 1999, Meade introduced the ETX-EC which included electronic control of both axis through a small hand-controller. An optional #497 Autostar package was offered and would replace the simple electric controls, turning the ETX-EC into a fully computerized "goto" telescope. A "standard" #883 tripod was available as an optional accessory.
The Meade "ETX" series Maksutov-Cassegrain telescope (105mm aperture). Meade produces a line of Maksutov telescopes under their ETX series (Everybody's Telescope). They were first produced in 90 mm (3-1/2") Maksutov Cassegrain telescope in 1996. They range in size from 90 mm to 125 mm.
The Meade LX90 is a Schmidt-Cassegrain design of telescope made by Meade Instruments for the mid-priced (2000 USD circa 2008) commercial telescope market. [ 1 ] [ 2 ] It uses a similar optical system to the bigger and more expensive Meade LX200 [ 2 ] —although it lacks some useful functions like primary mirror locking.
Prior to January 1991, pointing, data taking, and calibration of the radio telescope were controlled by a Data General Nova minicomputer ( picture ) running a custom telescope-control system. The control computer was fairly limited in speed and memory (having only 32 K byte of random access memory and 5 M byte of fixed disk storage), but it was ...
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On 2D displays, such as computer monitors and TVs, display size or viewable image size (VIS) refers to the physical size of the area where pictures and videos are displayed. The size of a screen is usually described by the length of its diagonal , which is the distance between opposite corners, typically measured in inches.
It also claimed it could guide the user to a particular object from its database. It has an LCD display, unsuccessfully incorporates GPS technology and cannot be linked to a compatible Meade computer-controllable telescope. Note, however, that my Sky is not a telescope or observing instrument. [1]