Question about Celestron NexStar 80GTL (180 x 80mm) Telescope

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NexStar 80 After using a dozen times i powered it up and the motor which controls the slewing etc started blowing smoke... Does it have a fuse or something i could have blown or is it going to be heaps harder to fix then i thought...

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No, you burned out the power circuit board inside the scope base. Only Celestron can repair this, contact them here:

http://www.celestron.com/c3/page.php?PageID=37



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Posted on Jul 09, 2011

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1 Answer

Motor blewn up


Contact Meade Customer Service here:

http://www.meade.com/support/index.html

Jul 20, 2010 | Celestron NexStar 80GTL (180 x 80mm)...

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I have the Nexstar 8. It will not auto align or manual....


You must set TIME, DATE, and SITE-- probably does not know your actual location. Read the manual and perform all of the setup procedures.

Some of these have a "starting position" again read the manual and make sure you are in the "home" position before you start the alignment. Read my TIP on my profile page about GOTO telescopes, and join the NEXSTAR forum on www.cloudynights.com

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1 Answer

I have a celestron nexstar 5 the begins to move on it own


Many times a bad cable will cause this. Also low batteries can cause this.

Contact Celestron and order a new cable. Use an external 12 volt power pack.

http://www.celestron.com/c3/page.php?PageID=37

Nov 05, 2009 | Celestron NexStar 5 SE (300 x 44.45mm)...

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Nov 06, 2008 | Celestron NexStar 11 GPS (660 x 279mm)...

1 Answer

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Sounds like it could be that the worm gear is not meshing
Look here for guidelines in the internals

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1 Answer

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I also have an 8i, but decided not to upgrade the controls yet. I've had my scope for about four years. I have experienced the same problem and am not sure what what causes it. Some nights, the scope tracks alignment all night, other times it does not. When the later occurs, the only thing that helps is to repeat the alignment picking new targets. One night, I had to repeat alignment 3-4 times. Also, I highly recommend a book by Michael Swanson, "The Nexstar User's Guide". It's an easy read, very specific and keeps the novice in mind. It should be included with every Nexstar sold. Go online to: http://www.Nexstarsite.com. Hope this helps. John

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1 Answer

Celestron nexstar 11" gps scope


Be sure that the Azimuth Axis is Lock, you migth want to try and move the telescope in the Azimuth to make sure it is it is locked. Be carful not to force it. I have seen on some post where the locking part of the Azimuth somtimes breaks. and the Azimuth Axis will just spin freely Locked down or not.

May 19, 2008 | Celestron NexStar 11 GPS (660 x 279mm)...

1 Answer

GoTo Problem


Be sure that the telescope is configured for EQ SOUTH mode to tell it is in the southern hemisphere. Once a star alignment is completed NEVER manually move the telescope. Use only the control panel to slew. Everytime the telescope is move by hand, the motors do not know it has been done, and assume it is still pointing at the old direction. Check the manual for setup.
Here: http://www.celestron.com/c3/images/files/downloads/NexStar_SLT_manual.pdf

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1 Answer

Telescope


A low voltage power supply is the usual cause. You must use fresh batteries and or a seperate 12 volt power pack.

Also you must accurately;y do all the setup-- like Time, Date, and Site properly. Read the setup in the manual again.



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Dec 29, 2007 | Celestron NexStar 60 SLT (120 x 60mm)...

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