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  2. John Dobson (amateur astronomer) - Wikipedia

    en.wikipedia.org/wiki/John_Dobson_(amateur...

    The 24-inch (610 mm) Dobsonian telescope brought by the Sidewalk Astronomers was unconventional, because most telescopes at such meetings tended to be smaller, on equatorial mounts, and designed for astrophotography rather than optical viewing. Surprisingly (and controversially at the time) Dobson's telescope tied in first prize for best optics.

  3. Dobsonian telescope - Wikipedia

    en.wikipedia.org/wiki/Dobsonian_telescope

    A Dobsonian telescope on display at Stellafane in the early 1980s. A Dobsonian telescope is an altazimuth-mounted Newtonian telescope design popularized by John Dobson in 1965 and credited with vastly increasing the size of telescopes available to amateur astronomers. Dobson's telescopes featured a simplified mechanical design that was easy to ...

  4. David Cole Observatory - Wikipedia

    en.wikipedia.org/wiki/David_Cole_Observatory

    12 inch Dobsonian: Coronado Solar Telescope: 60 mm: Location of David B. Cole Observatory [edit on Wikidata] The David B. Cole Observatory is an educational ...

  5. Obsession Telescopes - Wikipedia

    en.wikipedia.org/wiki/Obsession_Telescopes

    Obsession Telescopes builds two different styles of compact truss-style Dobsonian telescopes which can optionally be equipped with computerized positioning. [4] The primary mirrors range from 12.5 inches to 25 inches in diameter and are supplied by Optical Mechanics, Inc. (OMI) and Ostahowski Optics, while secondary ones are supplied by United ...

  6. List of directly imaged exoplanets - Wikipedia

    en.wikipedia.org/wiki/List_of_directly_imaged_e...

    Motion interpolation of seven images of the HR 8799 system taken from the W. M. Keck Observatory over seven years, featuring four exoplanets. This is a list of extrasolar planets that have been directly observed, sorted by observed separations. This method works best for young planets that emit infrared light and are far from the glare of the star.

  7. Mills Observatory - Wikipedia

    en.wikipedia.org/wiki/Mills_Observatory

    Mills Observatory is the first purpose-built public astronomical observatory in the UK, located in Dundee, Scotland. [1] Built in 1935, the observatory is classically styled in sandstone and has a distinctive 7 m dome, which houses a Victorian refracting telescope, a small planetarium, and display areas.

  8. List of large optical telescopes - Wikipedia

    en.wikipedia.org/wiki/List_of_large_optical...

    This is a list of large optical telescopes.For telescopes larger than 3 meters in aperture see List of largest optical reflecting telescopes.This list combines large or expensive reflecting telescopes from any era, as what constitutes famous reflector has changed over time.

  9. Astrophotography - Wikipedia

    en.wikipedia.org/wiki/Astrophotography

    Astronomical pictures, like observational astronomy and photography from space exploration, show astronomical objects and phenomena in different colors and brightness, and often as composite images. This is done to highlight different features or reflect different conditions, and makes the note of these conditions necessary.

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