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HOW DO I ACCURATELY COLLIMATE MY CGE1400? - Celestron CGE-1400 Telescope

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Posted on Jan 03, 2011


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Meanwhile watch this video:

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I used the collimation eyepiece to collimate my telescope.But I dont know if it's properly aligned. The knobs on the bottom of the tube are turned fully clockwise, and the black dot in the eyepiece is...

Before you do anything else, take the scope outside on a good night, find a semi- bright star (Polaris will do). Let the scope cool down! (about 45 minutes) use your highest power eyepiece and put the star in focus.
Now take the star out of focus (inner focus or outer focus) you should see a dark circle in the center with symmetrical rings around it (airy rings). If the dark circle is in the center and the airy rings are symmetrical, your telescope is collimated
Check both inner and outer focus, they should be close to the same. If not you should re-collimate.
Best done with fainter stars but for now stick to the brighter ones.
Because I own 3 scopes, I use a Hotech laser collimator. its quick and easy. Worth it if you travel with your scopes to dark sites

A good guide on how to collimate

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I bought a used Bushnell 114m reflector, needs alinement

I suppose you are talking about collimation is way off.

Read and watch these to get an idea of how to collimate a reflector

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Visit this web site and watch the video:

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It's very difficult. I will tackle it for $150.
James (718)578-5231

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Cannot Collimate secondary mirror on celestron C10-NGT

you should try to call the company and see what they can do if not get your money back im come on

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You never said if this is a refractor or a reflector (with mirrors). If it is a refractor you need to collimate the from lens cell-- this is fairly difficult without an optical bench.

If you have a reflector with mirrors then watch this video to learn how to collimate a reflector style scope.


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