enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Orion Telescopes & Binoculars - Wikipedia

   en.wikipedia.org/wiki/Orion_Telescopes_&_Binoculars

   Orion ED120 apo refractor on Orion's Sirius EQ-G "GoTo" and GPS equipped German equatorial mount with portable 12 volt power supply. Orion sold a range of telescopes that they characterize as "beginner", "intermediate" or "advanced", including Newtonians, Maksutovs, Schmidt-Cassegrains, Ritchey-Chrétiens and refractors with or without (sold as optical tube assemblies or "OTA") a variety of ...

3. List of the largest optical telescopes in North America

   en.wikipedia.org/wiki/List_of_the_largest...

   30 cm (12") achromat: Massachusetts, USA New York, USA: 1900 1852 University of Illinois Observatory: 30 cm (12") achromat: Urbana, Illinois, USA: 1896 Merz und Mahler (Mitchell cupola), Cincinnati Observatory: 28 cm (11") achromat: Cincinnati, Ohio, USA: 1843 Fraunhofer Refractor, United States Naval Observatory (Foggy Bottom) 24.4 cm (9.6 ...

4. Astrophotography - Wikipedia

   en.wikipedia.org/wiki/Astrophotography

   The telescope used by Berkowski was attached to 6 + 1 ⁄ 2-inch (17 cm) Königsberg heliometer and had an aperture of only 2.4 in (6.1 cm), and a focal length of 32 in (81 cm). Commencing immediately after the beginning of totality, Berkowski exposed a daguerreotype plate for 84 seconds in the focus of the telescope, and on developing an image ...

5. Samuel Oschin telescope - Wikipedia

   en.wikipedia.org/wiki/Samuel_Oschin_Telescope

   It originally used 10 inches (25 cm) and 14 inches (36 cm) glass photographic plates. Since the focal plane is curved, these plates had to be preformed in a special jig before being loaded into the camera. Construction on the Schmidt telescope began in 1939 and it was completed in 1948. It was named the Samuel Oschin telescope in 1986. Before ...

6. Meade LX200 - Wikipedia

   en.wikipedia.org/wiki/Meade_LX200

   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

7. Schmidt camera - Wikipedia

   en.wikipedia.org/wiki/Schmidt_camera

   The spherical mirror used in this telescope was extremely accurate; if scaled up to the size of the Atlantic Ocean, bumps on its surface would be about 10 cm high. [ 16 ] The Kepler photometer , mounted on NASA's Kepler space telescope (2009–2018), is the largest Schmidt camera launched into space.