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| | All About Telescopes |
| | Information on refracting, reflecting and radio telescopes, details on amateur telescopes, eyepieces, mounts, lenses and software.
http://www.indepthinfo.com/telescopes/ - New window - Cached - Archive - |
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| | Amateur Telescope Optics |
| | Presents information on aberrations, obstruction effects, and reflecting, refracting, and catadioptric objectives, and the eyepiece and eye.
http://www.telescope-optics.net - New window - Cached - Archive - |
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| | AstroDesigns by Ed Stewart |
| | Accessory designs and information to enhance the SSE of Meade LX200s, Dobsonian reflectors, and other telescopes plus star charts for computerized telescopes.
http://www.mapug-astronomy.net/AstroDesigns/ - New window - Cached - Archive - |
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| | Celestron C-130 Maksutov Modifications |
| | Hints and tips on modifications for the Celestron C-130 to improve performance.
http://www.palmman.com/c-130/ - New window - Cached - Archive - |
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| | Choosing your Telescope's Magnification |
| | Selection depends on eyesight, telescope's aperture and optical design, atmospheric conditions, and type and size of the object being viewed.
http://www.televue.com/engine/page.asp?ID=140 - New window - Cached - Archive - |
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| | Collimating Newtonian Optics |
| | Consists of two steps: aiming the eyepiece axis at the center of the primary, and aiming the primary at the center of the eyepiece.
http://www.oarval.org/collimatE.htm - New window - Cached - Archive - |
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| | DarkSkyFalcon Astronomy |
| | A resource and links page.
http://www.geocities.com/darkskyfalcon/ - New window - Cached - Archive - |
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| | The ETX 70 Homepage |
| | Information for specific support given to users of the Meade ETX 70 Telescope and astrophotography with the LPI/DSI Imagers.
http://astronomy.customer.netspace.net.au - New window - Cached - Archive - |
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| | FAQ About Collimating a Newtonian Telescope |
| | Questions on how important the answers are to the performance of the instrument.
http://www.atmsite.org/contrib/Carlin/collimation/ - New window - Cached - Archive - |
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| | FUSE - Continuous Viewing Zone Calculator |
| | Used to estimate the right ascension and declination of the continuous viewing zone.
http://fuse.pha.jhu.edu/support/tools/cvztool.html - New window - Cached - Archive - |
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