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  2. Bresser - Wikipedia

    en.wikipedia.org/wiki/Bresser

    The Bresser GmbH product portfolio caters to both amateur and professional users, under several specialized brands. These include the Bresser Brand itself (telescopes, microscopes, binoculars, weather stations, and photo studio equipment), Explore Scientific (telescopes and astronomy accessories), National Geographic (optical and outdoor products like binoculars, [7] telescopes and microscopes ...

  3. Maksutov telescope - Wikipedia

    en.wikipedia.org/wiki/Maksutov_telescope

    Maksutov's 1944 design was the first-published meniscus telescope design, and was published in the widely-read Journal of the Optical Society of America. [11] [12] [7] This led to professional and amateur designers almost immediately experimenting with variations, including Newtonian, Cassegrain, and wide-field camera designs.

  4. Palomar Observatory - Wikipedia

    en.wikipedia.org/wiki/Palomar_Observatory

    Astronomer George Ellery Hale, whose vision created Palomar Observatory, built the world's largest telescope four times in succession. [8] He published a 1928 article proposing what was to become the 200-inch Palomar reflector; it was an invitation to the American public to learn about how large telescopes could help answer questions relating to the fundamental nature of the universe.

  5. Meade ETX telescope - Wikipedia

    en.wikipedia.org/wiki/Meade_ETX_telescope

    The ETX started out as a 90 mm (3-1/2") Maksutov Cassegrain telescope (first produced in 1996) and took advantage of high volume mass production and simplified optical and parts construction to open a new market for a cheap alternative to the very expensive Questar 3-1/2 Maksutov Cassegrain [1] [2] The ETX "line" has been expanded to 105 mm, and 125 mm Maksutov Cassegrains and achromatic ...

  6. Las Cumbres Observatory - Wikipedia

    en.wikipedia.org/wiki/Las_Cumbres_Observatory

    The 2 meter telescopes are the two Faulkes telescopes built by Telescope Technologies Ltd. They are f/10 Ritchey-Chrétien optical configurations on alt-az mounts. The 1 meter telescopes are f/7.95 Ritchey-Chrétien optical systems on equatorial mounts. They have a 50 arcminute-diameter fully corrected field of view.

  7. National Geographic Society – Palomar Observatory Sky Survey

    en.wikipedia.org/wiki/National_Geographic_Society...

    The National Geographic Society – Palomar Observatory Sky Survey (NGS-POSS, or just POSS, also POSS I) was a major astronomical survey, that took almost 2,000 photographic plates of the night sky. It was conducted at Palomar Observatory , California, United States, and completed by the end of 1958.

  8. W. M. Keck Observatory - Wikipedia

    en.wikipedia.org/wiki/W._M._Keck_Observatory

    The Keck I telescope began science observations in May 1993, while first light for Keck II occurred on April 27, 1996. The Keck II telescope showing the segmented primary mirror. The key advance that allowed the construction of the Keck telescopes was the use of active optics to operate smaller mirror segments as a single, contiguous mirror. A ...

  9. Pan-STARRS - Wikipedia

    en.wikipedia.org/wiki/Pan-STARRS

    The Panoramic Survey Telescope and Rapid Response System (Pan-STARRS1; obs. code: F51 and Pan-STARRS2 obs. code: F52) located at Haleakala Observatory, Hawaii, US, consists of astronomical cameras, telescopes and a computing facility that is surveying the sky for moving or variable objects on a continual basis, and also producing accurate astrometry and photometry of already-detected objects.