Telescope Guide

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The Prairie Astronomy Club: Telescope Buyer's Guide ... refractors and 4.25, 6 and 8 inch reflectors. Another term used in ... spreads out the light gathered by the telescope over a larger area ... Thus if a telescope has a 6-inch mirror and a focal length of 48 ... Description: Finding a way through the maze of ads, catalogs, claims and counter claims about which is best or the least expensive. Category: Science: Astronomy: Amateur: Telescope Owner Resources www.prairieastronomyclub.org/buyers.htm

Celestron -- Telescope Basics ... and an 8-inch telescope. Note that at the same power the airy disks ... being used. For example, an 8" aperture telescope (203mm) used with a ... The larger the aperture of a telescope, the more resolution the ... www.celestron.com/tb-trms.htm

TELESCOPE 30INCH ... INCH DOBSONIAN TELESCOPE (TROK). The 30 inch dobsonian telescope shown ... Two 6 inch wheels where used to hog out the mirror. The curve was ... Figuring was done with a smaller 8 inch glass tool covered in pitch. ... members.aol.com/DATSCOPE/30inchTRO.html

TELESCOPE MAKING ... a cardboard tube could be used. Aim for a tube at 1 inch larger than ... A 8 or 10 inch Dobsonian by The Bolton Group Finished Telescope ... 10 inch mirror and has been successfully used down to a 6 inch mirror ... www.deep-sky.co.uk/tm4.htm

TELESCOPE 30INCH ... INCH DOBSONIAN TELESCOPE (TROK). The 30 inch dobsonian telescope shown ... Two 6 inch wheels where used to hog out the mirror. The curve was ... Figuring was done with a smaller 8 inch glass tool covered in pitch. ... hometown.aol.com/DATSCOPE/30inchTRO.html

A Raytrace Analysis of Various Telescope Systems A Ritchey should only be used if you are doing 70mm and larger film ... 8" refractor would be suitable. Photographic use of a telescope really ... this is the system used on the 200 inch at Mt. Palomar. This design ... physics.weber.edu/oas/scopes/bobjones.html

Anacortes Telescope & Wild Bird - Books / Astronomical / Star Charts ... modern visual astronomy for 8-inch and larger telescopes. Written in a ... 2 ,050 objects viewed through three commonly used telescope apertures, ... modern visual astronomy for 8-inch and larger telescopes. Written in a ... www.buytelescopes.com/product_list.asp?t=145

Binocular Telescope Project ... and presentations, we decided to build an 8-inch binocular telescope. ... than an 8" mirror provides, and a larger mirror will actually be more ... We wanted to build a scope that could be used at public events, and it ... www.stargazing.net/wvas/BigBinocs/Binocular.htm

UNTITLED For example, an 8 inch telescope that is 56 inches long is 7 times ... For example, a telescope with a focal length of 100 inches used with ... The larger the mirror the more detail a telescope will give. How well ... mywebpages.comcast.net/k5atm/source/FAQ.html

Bill's 14.5 inch Telescope Making Project ... another 8 inch telescope. I ground and polished the F/8 mirror, and it ... A number of the techniques I used to make the 14.5 inch mirror came ... " telescope that would be larger in size and with better quality optics. ... Description: Description, photographs, rebuilding of telescope, making simple lens for reflector, and links. Category: Science: Astronomy: Amateur: Amateur Telescope Making www.geocities.com/telescope1999/14-5inch.html

Woodware Designs -- Hards Telescope ... inch oversize. Cut a blank of 3/4 inch PVC about 1/16 inch larger than ... Commercial 6 inch f/8 mirrors can vary in focal length by up to two ... Aluminum irrigation pipe with a .064 inch thick wall is used. Cut to ... www.charm.net/~jriley/sky/hardstel.html

Mars Through a Galilean Telescope ... photos taken through the Celestron 8-inch telescope on which the ... a telescope of the sort used by Galileo is capable of resolving ... "Although Mars was larger than in the previous series, the seeing was ... www.pacifier.com/~tpope/Mars_Page.htm

Saturn Photo Gallery ... used a Coolpix 995 digital camera with a Meade 8 inch LX200 telescope ... We used our public viewing scope, an 8" Meade LX 90 telescope and ... November 3, 2001.  . Photographer, Location, Local Date. Larger images ... www.spaceweather.com

How Telescopes Work An 8-inch telescope is 200mm in diameter. It has 816 times as much ... is 8 to 16 inches. Under the best conditions telescopes larger than 20 ... high magnification cannot be used. If the telescope optics are of poor ... www.starstuff.com/telescopes.htm

ASTRO STUFF - OPTICAL TERMS ... and an 8-inch telescope. Note that at the same power the airy disks ... being used. For example, an 8" aperture telescope (203mm) used with a ... The larger the aperture of a telescope, the more resolution the ... www.astrostuff.com/OPTICAL_TERMS.htm

UNTITLED ... and used the same drive as the 12 inch telescope, that had problems ... 8.5 inch Newtonian on an equatorial head, without stand. 8.5 inch size ... including some of the larger amateur telescope optics of his era, as ... www.europa.com/~telscope/tsenglnd20C.txt

FR237 Focal Reducer New Product Announcement ... the field of view when used with an 8" F/10 telescope is only 4.1 by 5. ... to the Telescope. Attach the short extension tube (0.8 inch) to the ... f/4 telescope.   When mounted piggy back on a larger telescope, the ... www.sbig.com/sbwhtmls/fr237.html

Making a Newtonian Telescope ... of the Newtonian telescope. For an optical tube, I used an 8 inch PVC ... The larger the aperture of a telescope, the more resolution the ... being used. For example, an 8" aperture telescope (203mm) used with a ... www.altair.org/bluenewt.html

Untitled Document ... Celestron telescope on a Losmandy mount, a 10-inch Meade telescope, ... by the larger transit in the east wing. The larger transit was used to ... several 8-inch Meade and Celestron telescopes, a 6-inch Meade ... www.williams.edu/Astronomy/Hopkins/history.html

Meade Instruments Corporation - Meade LX200 Instruction Manuals ... "telescope, 32X in the case of the 8" telescope, about 40X in the case ... being used and the telescope. The "Actual Field" of a telescope with a ... lowest usable power is approximately 4X per inch of telescope aperture ... www.meade.com/manuals/lx200/h.html

Canberra Astronomical Society - Southern Cross - December 1997 ... used more often, is a 10-inch f/3.8 reflector (coma, anyone?) used at ... often used a small telescope of very low power - a 2-inch refractor of ... Further NW, M38 (5h 28.7m, +35 50') is larger and brighter than M36, ... msowww.anu.edu.au/cas/southerncross/sc_199712.html

Statistics: The Last Refuge from Cloudy Sky ... with 965 observations in 46 setups, and an 8-inch f/5 Dobson-mounted ... for an amateur astronomer to buy is the one that will be used the most ... Harvey, my Celestron 14, is the largest telescope on my list, and he ... www.observers.org/reports/99.01.18.html

Capturing Laaarge Objects with CCD ... with 8 inch SCT f3.0, 1 min. each to avoid guiding), then telescope is ... " shorter focal length can be used to achieve larger field of view ... Cookbook camera on 8 inch SCT f6.3 yields 16 x 12 arcmin. field, 2.7 ... www.astrosurf.com/jwisn/assembling.htm

Smaal.Info Astronomy pages ... 5 inch or larger).. *A used telescope is a great way to start the ... It has a 20cm (8 inch) primary mirror and a 2 meter focal length, ... This is a 5 inch (127mm) Maksutov-Cassegrain telescope mounted on an ... www.smaal.info/astro_en/

Deep Sky ... 10 SC is a fine Schmidt-Cassegrain telescope with an 8 inch mirror and ... a larger aperture telescope – perhaps something in the 12-16" range. ... The most commonly used telescope for the deep sky hunter is the “Big ... www.scienceforpeople.com/Essays/Deep_Sky.htm

SPACE.com -- See the Space Junk that Might Hit the Moon ... Experienced amateur astronomers with 8-inch or larger telescopes and ... used an 18-inch telescope at the Houston Museum of Natural Science's ... on a scale used by astronomers to denote brightness. Larger numbers ... www.space.com/news/space_junk_020916.html

Folding Pocket Magnifier and Eye Loupe by Stanley London. Three models: 10 Power... 14-inch. Telescope. 16-inch. Telescope. 18-inch. Telescopes. 28-inch. ... The doublet lens is comprised of two simple lenses used in conjunction ... 8 inch) doublet lens design for very sharp and low distortion viewing ... www.stanleylondon.com/magnif20xfolding.htm