Guide :Optics : NexStar 11 Telescope

Celestron Nexstar 11 GPS Electrical problem

Got a Nexstar 11 with a short in the circuit somewhere. a schematic would really be helpful. I've already found two pinched wires from sloppy assembly, but I'd hate to have to completely disassable the mount looking for more. Thanks.

Research, Knowledge and Information : Customer reviews: Celestron Nexstar 11 GPS ...

Find helpful customer reviews and review ratings for Celestron Nexstar 11 GPS Telescope (Telescope Only) at Read honest and unbiased product reviews from ...

Nexstar 11 GPS alignment problem - Cloudy Nights

Nexstar 11 GPS alignment problem - posted in Celestron NexStar : Im the new owner of a nexstar 11 GPS which I bought used from someone in California. Im in Ontario ...
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Rewiring a Celestron NexStar Telescope – A Darker View

Rewiring a Celestron NexStar Telescope. ... But on occasion there is a problem ... The GPS assembly in the right arm of the telescope with the new cabling and new tie ...
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No Response Errors - Celestron NexStar Telescopes

No Response Errors. ... you do not want excess cleaner to short out the electrical connections. ... For the NexStar 8/9.25/11 GPS, ...
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Tips, hints and pending problems for Celestron Nexstar 114GT ...

Tips, hints and pending problems for Celestron Nexstar 114GT ... 11.) After a reasonable ... or electrical) attached to the ...
Read More At : celestron nexstar gps 11 celestron nexstar gps 11. ... Celestron CPC 1100 StarBright XLT GPS Schmidt-Cassegrain 2800mm Telescope with Tripod and Tube. by Celestron $ 2,599 00 Prime.

Firmware Versions on the NexStar GPS Series - Celestron

Firmware Versions on the NexStar GPS ... Celestron has posted ... Shipped for a short while in both the NexStar 8 GPS and 11 GPS. This version overcame problems ...
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Celestron CPC1100 XLT 11 inch Telescope 11075XLT

Same Day Shipping till 8PM on new Celestron CPC1100 XLT Starbright H.P. 11" Schmidt Cassegrain 2800mm f/10 Telescope with NexStar Computer Control & SKyAlign Technolgy.
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Suggested Questions And Answer :

Celestron Nexstar 11 GPS Electrical problem

The Nexstar11GPS group on
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I have a CPC11GPS telescope that was working the last time I used it, which was 6 months ago. It is in NEW NEW condition. I pulled it out last night, turned it on, allowed the system to align itself using the GPS system aboard. I then tried to center the first star using the RA and DEC directional buttons. The Dec buttons moved the telescope up and down, but the telescope would not move in RA. I also connected the scope to my SKY program, it also moved the scope in Dec, but not in RA. What could have happened since it was last used? The only previous problem I encountered was alignment and intermittent RA movement, I sent the scope to Celestron, who worked on it and returned it. Those problems were never corrected by Celestron, a year ago.

The clutch is not engaging in RA. Maybe the gears are not actually meshing together? A loose worm gear?You can open it up and look and see if anything obvious is loose. Otherwise it's a trip back to Celestron.
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Focusing Issue Last night, I used my Celestron 11" NexStar11GPS for observing and astrophotography, and it worked like a charm. Tonight, with the same equipment, I am unable to focus the telescope at all. I turned both the coarse and fine focus knobs counterclockwise as far as they will go, but every object is still out of focus--and once I reach a certain point in turning the focus knobs, the object simply moves in the eyepiece rather than becoming more focused. This problem is present with or without the use of a diagonal. The only thing I did with the telescope between last night and tonight was to mount a Celestron StarPointer (a holographic sight-type finderscope) onto the side of the telescope tube's back end with some 8x32 3/8" screws using pre-drilled screw holes. What happened?

The screws should be short enough not to stop the primary's travel, but pull them out and try it again. Good luck! George.
Read More At : NexStar 11 GPS (660 x 279mm) Telescope...

I will add more info regarding my problem: My Celestron nexstar 8se was working ok. On the Dec.24 I Ieft it for awhile in the open and it felt a fine rain. I dried up the telescopeand put it inside. A

I'm having the same problem with my Astromaster 114 EQ . I can see better than the scope , but it is clear when I focus on images about 35 40 away in the daylight. I am now ready to trash this thing. For I had a Meade many years ago and it was great ,but I gave it to a friend to use, but he broke it. Next time Meade.
Read More At : NexStar 8SE Telescope...

I have connected the hand held remote control to me Celestron NexStar 80GTL and nothing happens. The remote will not power up. Don't know if the problem lies with the remote or is a more major problem within the telescope itself. I have to say I am not at all happy with Celestron

Are the batteries fresh? You can also try a new hand controller cable maybe the one you have is broken which is a common problem.Beyond that you can try to borrow another hand controller and try it. If none of these work, then you have a blown circuit inside the telescope. It will need to be returned to Celestron for repairs.
Read More At : NexStar 4 SE Telescope...

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.
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Celestron nexstar 8 i series alignment trouble

Kind of late with my answer...BUT if you pop off your GPS unit and then just tilt it up and down CAN YOU HEAR a ball bearing moving inside...??? YOU SHOULD....that is how the GPS actually finds the level position of the OTA....sounds like it is stuck..OR even worst that you have a CN-16 unit that was designed for a GEM mount which is not designed at all for leveling the OTA...Next thing.. exactly what version is your hand controller...version 2.3 ???? Bob G
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Hi, Could you please tell me where I might be able to get my Celestron Nexstar 11 GPS Telescope repaired? The corrector plate needs to be replaced. Is there anyone that could help with this? Regards, Geoff.

The scope will need to be returned to Celestron. The Corrector plate must be matched to the rest of the optics inside the tube. This is an EXPENSIVE repair ! Call Celestron here:
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The Celestron Nexstar 4SE makes a weird cracking noise when you press the left or right arrows on the controller. I tried taking it off of the tripod, and it still will not rotate left or right, even if you do it manually. It does rotate up and down. Is there something that is blocking the telescope from rotating? Is there a mechanical problem? :|

Sound like a gear inside is either broken or the worm gear is locked up. Celestron can repair this if you call them here:
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