Question about Orion SkyQuest XT8 Dobsonian Telescope

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I have an Orion SkyQuest XT8 Dobsonian. I have had it for 6 years or so. I can't see anything through the eye pieces. It just has black spots. is it the eye pieces or the telescope?

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Put the eyepiece with the largest number written on it into the focuser. Go outside during the day time and practice focusing on a distant object.

Watch this video --
http://www.andysshotglass.com/Collimating.html

Posted on May 13, 2010

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1 Answer

I am a beginner looking for a good telescope. I am currently looking at a Celestron Skywatcher telescope. There are three lenses which comes with it: super wide 10mm. lens as well as a wide angle 25 mm....


Magnification is the LEAST important property of a telescope. Quality optics and aperture are much more important.

The best bang for the buck is a reflector style telescope ion a Dobsionian mount. You get the most aperture for the least amount of money. Like this one--
http://www.telescope.com/Telescopes/Dobsonian-Telescopes/Classic-Dobsonians/Orion-SkyQuest-XT6-Classic-Dobsonian-Telescope/pc/1/c/12/sc/13/p/8942.uts?refineByCategoryId=13


The scope above has 6 inches of aperture and is mounted on a very stable alt az mount called a Dobsonian mount.



www.telescopeman.org
www.teleswcopeman.us
www.telescopeman.info

Aug 23, 2011 | Optics

1 Answer

I am looking to buy a telescope for my husbands 50th b-day and fathers day. How do i go about choosing one?


Read these two articles-

http://texasastro.org/telescope.php

http://texasastro.org/mounts.php

A 6 inch or 8 inch Dobsonian mounted reflector is what we usually recommend for a beginner. Like this one:

http://www.telescope.com/Telescopes/Dobsonian-Telescopes/Classic-Dobsonians/Orion-SkyQuest-XT6-Classic-Dobsonian-Telescope/pc/1/c/12/sc/13/p/8942.uts?refineByCategoryId=13

Jun 04, 2011 | Optics

1 Answer

Skyquest XT8


Here is the info page on the Orion web site:
http://www.telescope.com/control/product/~category_id=intelliscopedobs/~pcategory=dobsonians/~product_id=27183

You can also call Orion Customer Service. Some eyepieces will not come to focus. Try the one with the largest number written on it.

Also your scope could be way out of collimation. Watch this video:
http://www.andysshotglass.com/Collimating.html

Dec 15, 2009 | Orion SkyQuest XT8 IntelliScope (48 x...

1 Answer

HOW TO USE AN ORION SKYQUEST XT 4.5 REFLECTOR TELESCOPE


During the day time line-up the small finder scope with the main tube. Use the eyepiece with the largest number written on it. Site on a distant object with the main scope. Then line- up the crosshairs on the finder with out moving the main tube so BOTH are pointed at the same object.

Locate a local Astronomy club and attend their star parties. You have a good beginners telescope by the way.

Learn how to collimate the telescope. Watch this video.
http://www.andysshotglass.com/Collimating.html

Nov 11, 2009 | Orion SkyQuest XT4.5 Dobsonian Telescope

1 Answer

Gluing the mirror back on the mount


A better solution would be to buy a commercially available mirror holder and mount this in the bottom. On these the mirror is held on the edge by clips --

http://www.amateurtelescopemaker.com/cp.htm

Jun 27, 2009 | Orion SkyQuest XT12 Classic Dobsonian...

1 Answer

Confused with RA setting circle with Orion XT8 Dobsonian


An Orion XT 8 DOB cannot be polar aligned??? The mount is ALT AZ ---

You would need an equatorial platform to polar align. There are no setting circles on a stock XT??

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Orion SkyQuest XT6 Classic Dobsonian


Mars is a tiny object at best, needing about 400x to view. We are now fairly well past opposition, so it is even smaller. That power would call for a 3mm eyepiece (6mm with 2x barlow is the equivalent). Try the highest power eyepiece that you have.

Apr 30, 2008 | Optics

1 Answer

Can you please advise if the wireless router should be left switched on or will it reduce the life of the router if I switch off when not in use


Should make no difference, however if you have not activated the security feature on it, anybody with a wireless device can gain access through your system.

Apr 19, 2008 | Orion SkyQuest XT12 Classic Dobsonian...

1 Answer

Marchwood storm 60 telescope


you use eyepieces to zoom in and out. lower mm eyepieces like a 6mm will have a high magnification. and a high mm eyepiece will have a lower magnification.

Nov 12, 2007 | Orion SkyQuest XT12 Classic Dobsonian...

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