4-inch reflector Celestar
Title
4-inch reflector Celestar
Subject
Astronomy
Optical instrument
Telescope
Optical instrument
Telescope
Description
Metal, glass, wood
Celestar telescope with fork-type mounting and electric drive. Includes wood tripod, slow motion adjustment both axes, right ascension and declination setting circles and achromatic 30 mm finder scope. A chain links the three legs. White and blue color metal tube houses a 4-inch f/8.75 mirror, Newtonian design. A few hundred of this model were made. It cost approximately $200 in 1954. Came with two 1 inch focal length eyepieces, a 1/3 inch focal length eyepiece and a achromatic Barlow lens. Serial number 456.
Celestar telescope with fork-type mounting and electric drive. Includes wood tripod, slow motion adjustment both axes, right ascension and declination setting circles and achromatic 30 mm finder scope. A chain links the three legs. White and blue color metal tube houses a 4-inch f/8.75 mirror, Newtonian design. A few hundred of this model were made. It cost approximately $200 in 1954. Came with two 1 inch focal length eyepieces, a 1/3 inch focal length eyepiece and a achromatic Barlow lens. Serial number 456.
Creator
J.W. Fecker, Pittsburgh
Publisher
Astronomy Department, University of Illinois, Urbana
Date
circa 1956
Contributor
Michael Svec
Rights
Copyright Michael Svec
Format
image/jpg
Language
English
Type
physical object
Coverage
University of Illinois Observatory
Files
Collection
Citation
J.W. Fecker, Pittsburgh, “4-inch reflector Celestar,” University of Illinois Observatory Collection, accessed April 24, 2024, https://uiobservatory.omeka.net/items/show/62.