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  2. Amateur astronomy - Wikipedia

    en.wikipedia.org/wiki/Amateur_astronomy

    Amateur astronomy is a hobby where participants enjoy observing or imaging celestial objects in the sky using the unaided eye, binoculars, or telescopes. Even though scientific research may not be their primary goal, some amateur astronomers make contributions in doing citizen science, such as by monitoring variable stars, [1] double stars, [2 ...

  3. Stellafane - Wikipedia

    en.wikipedia.org/wiki/Stellafane

    Stellafane Observatory. The Stellafane Observatory is an astronomical observatory in Springfield, Vermont, founded in 1920 by Russell W. Porter. The Pink Clubhouse was built in 1923 at the site by the Springfield Telescope Makers Club. The name Stellafane, suggested by Porter at the club's December 1923 meeting, is derived from the Latin words ...

  4. Amateur telescope making - Wikipedia

    en.wikipedia.org/wiki/Amateur_telescope_making

    Amateur telescope making is the activity of building telescopes as a hobby, as opposed to being a paid professional. Amateur telescope makers (sometimes called ATMs) build their instruments for personal enjoyment of a technical challenge, as a way to obtain an inexpensive or personally customized telescope, or as a research tool in the field of ...

  5. Perkins Observatory - Wikipedia

    en.wikipedia.org/wiki/Perkins_Observatory

    Coordinates. 40°15′04″N83°03′22″W / 40.251°N 83.056°W. Location of Perkins Observatory. [ edit on Wikidata] Perkins Observatory is an astronomical observatory in Delaware, Ohio. It is owned and operated by Ohio Wesleyan University. In 1931 it had the third largest telescope in the World; the 69 inch aperture Perkins telescope ...

  6. Stony Ridge Observatory - Wikipedia

    en.wikipedia.org/wiki/Stony_Ridge_Observatory

    Stony Ridge Observatory is an astronomical observatory built by and for amateur astronomers in the mountains of Los Angeles County, California, in 1957. [1] When installed, its 760 mm (30 in) Newtonian-Cassegrain likely ranked as 8th largest of all telescopes in California, and one of the largest amateur telescopes in the United States. [2]

  7. Visible-light astronomy - Wikipedia

    en.wikipedia.org/wiki/Visible-light_astronomy

    Visible-light astronomy. A diagram of the electromagnetic spectrum with the Earth's atmospheric transmittance (or opacity) and the types of telescopes used to image parts of the spectrum. Visible-light astronomy encompasses a wide variety of astronomical observation via telescopes that are sensitive in the range of visible light (optical ...

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