Question about Bushnell NorthStar 78-8831 (525 x 76mm) Telescope

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Red dot finderscope alignment problem

I am unable to alignment my red dot finder scope. It is always high and to the right. I adjusted as far as it will go with the scope adjustment screws and also tried the slack in the finderscope mounting holes. What should I do or is this as go as it gets with the model?

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  • pegapass Jan 01, 2009

    How do I focus a red dot finder scope, somebody has played with the screws which were set perfectly before?

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Point the telescope at some thing during the day and adjust the finder scope and at night point at a star look through the eye piece and center the object in the eye piece then adjust the finder scope.

Posted on Jan 02, 2009

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3 Answers

Cannot align Finderscope to target object


It can take some time to get this correct. Make sure the mounts to the finderscope are correctly attached. I loosened all the screws and started over a few times. I use it in it landscape mode (so my motor doesn't keep moving) and target a knot on a nearby fence or a neighbors chimney. Once you have something close aligned, you'll likely need to tweek it when you get to things farther away.

Jul 30, 2014 | Celestron Telescopes

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I can.t align my star pointer finderscope that can with my114eq. do you line up the two circals and dots on top of each other to get it align


The finderscope must be aligned with the MAIN tube. During the day time point the scope at a distant object like the very top of a telesphone pole or a distant building.

Get the pole or the building in the center of the eyepiece on the main telescope. LOCK everything down and do not move the scope. Now adjust the finderscope to point at the exact same object.

This will get you roughly aligned.

At night do the sanme thing on a star or the moon-- and you will fine tune the finderscope.

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

Sep 16, 2011 | Celestron AstroMaster 114EQ (100 x 114mm)...

1 Answer

We are trying to test out viewing land based objects using the 30X eyepiece, which according to the instructions, should appear right side up and not upside down! This is not happening.


It's NOT really a problem. ALL reflector style telescopes show upside down images. This will not affect your star gazing since there is no UP OR DOWN in outer space. Read my tips on my profile page.

You can buy an "erecting diagonal" for terrestrial viewing- BUT this is not what an astronomical telescope is actually used for.

So align the small finder scope on a distant object like the top of a telescope pole during the day time. Point the main tube at the pole and get the tip top in the main tube's eyepiece. Without moving the telescope adjust the crosshairs on the finder scope on the exact same spot. The moon should be your first target at night and you can check and refine the finder scope on the moon.

Mar 12, 2011 | Bushnell 3" Reflector Telescope 60% OFF w/...

1 Answer

How do I aline the finderscope


Telescope manuals recommend that you do this in daylight, by pointing the scope at an object on the horizon and adjusting the finder to match (never point a telescope toward the Sun!). Use the lowest power eyepiece you have (the one with the highest number). Once you have a tree or mountain peak in the center of the main scope's image, you can then adjust the screws around the finder scope to get the crosshairs (or red dot) centered on the same object. It is very difficult to do this job in the dark, especially as objects in the sky are constantly on the move.

Jan 18, 2011 | National Geographic 76AZ (525 x 76mm)...

1 Answer

I can see objects through the finderscope, but cannot see anything through the telescope. What am I doing wrong?


Your finder scope is NOT lined up with the main tube. Get a distant object like the top of a telephone pole into the eyepiece of the main telescope tube.

Without moving the scope adjust the crosshairs or the red dot onto the exact same spot. Now your finder scope is lined up with the main telescope tube.

Dec 27, 2010 | Edu-Science (10166) Telescope

2 Answers

Cant see ****


Cannot see anything in the daytime? We need more details.

Put the eyepiece with the largest number written on it into the focuser. Try focusing on a distant object during the day time.

You must follow the setup procedures in the manual for accurate GOTO function at night.

Nov 09, 2010 | Celestron NexStar 114GT (269 x 114mm)...

1 Answer

I need to get a replacement red dot finderscope for a 78-8831 telescope.


Many on-line retailers sell these-- here are two:

http://agenaastro.com/optical-accessories/finder-scopes/red-dot-unity-1x-finders.html?SID=mabkh7sllc66d40c2bapar09r0

http://www.telescope.com/control/telescope-finder-scopes

Aug 19, 2010 | Bushnell Telescopes

1 Answer

I cannot get my finderscope red dot to lineup with my main scope ,its a SKP13065EQ2 .it will not lineup , i did send SKYWATCH a e-mail and that was almost 2 mths ago .i did line up the main scope like it...


Can you return the red dot finder? It's apparently broken.

These can be purchased (not too very expensive)
here:

http://www.telescope.com/control/category/~category_id=finder_scopes

Nov 05, 2009 | Telescopes

1 Answer

The Red Dot finde scope on my 78-8831 doesn't look like depicted in the user manual for this telescope. It looks like on the picture for 78-8840. Oh, by the way, the user manual is just about the worst...


Bushnell is NOT known for their quality telescopes. Sorry.

The red dot finder must be aligned with the main tube, you can do this during the daytime.

Focus on a distant object using the telescope like the top of a telephone pole. Without moving the telescope, adjust the red dot so it falls on the exact same object.

This may help you also:

http://www.cloudynights.com/item.php?item_id=810

Nov 01, 2009 | Bushnell NorthStar 78-8831 (525 x 76mm)...

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