Question about Celestron NexStar 8SE Telescope

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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

As I said before the telescope does not give any details of the image it sees. I could see very clear images of the planets and stars, but due to this problem I cannot see anything clearly. I can see better using my own eyes than thru the telescope.

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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.

Posted on Jan 28, 2013

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Posted on Jan 02, 2017

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SOURCE: celestron telescope

The hinge should be to the north. An imaginary line drawn perpendicular from the center of the tilt plate should point to Polaris (the North Star).

Posted on Jun 27, 2008

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SOURCE: 2-star alignment

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

Posted on Nov 21, 2008

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SOURCE: Black spot in the center of the image viewed in telescope

If this is a Newtonian reflector or a catadioptric scope (Schmidt Cassegrain or Maksutov) you may be trying to use it at too low of a magnification. Your magnification needs to be high enough that the exit pupil is less than 5 mm; to figure this divide the focal length of the eyepiece by the f-ratio of the optical tube. If this quotient is 5 mm or more the black spot you are seeing is the shadow of the secondary mirror.

Posted on Jan 28, 2009

SOURCE: Celestron NexStar 8SE shows No

Reset the hand controller and reload the firmware. You will need a special cable available from Celestron to load the firmware. The software is available for free on the Celestron web site.

http://www.celestron.com/c3/home.php



www.telescopeman.org
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Posted on Aug 01, 2011

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Celestron 8se slews uncontrollably. Also gives a no response 16 on the hand control.


This is a well documented problem with that scope

http://www.celestron.com/c3/support3/index.php?_m=knowledgebase&_a=viewarticle&kbarticleid=2434



http://www.cloudynights.com/ubbarchive/showflat.php/Cat/0/Number/60724/page/72/view/collapsed/sb/9/o/all

Jan 02, 2013 | Celestron NexStar 8 SE (480 x 203mm)...

1 Answer

Nexstar 4GT


This is said by Celestron to cover the 4GT with minor differences
http://www.tasco.com/products/manuals/Tasco56TN-57TN-301051N-301004N-301005N.pdf

There are also some firmware upgrades available on the Celestron website
http://www.celestron.com/astronomy/celestron-nexstar-4gt-computerized-telescope.html

Apr 08, 2012 | Celestron Optics

1 Answer

Pc doe not uplowld tuteral,moviesm,or dvds.


First questions:Do you have a registered version of the software? What operating system do you use?(version, service pack version)Do you get any errors?What are those errors?

Jan 26, 2012 | Celestron NexRemote Telescope Control...

1 Answer

Celestron NexStar 8SE shows No Response 16 and No Response 17 errors repeatedly.


Reset the hand controller and reload the firmware. You will need a special cable available from Celestron to load the firmware. The software is available for free on the Celestron web site.

http://www.celestron.com/c3/home.php



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

Aug 01, 2011 | Celestron NexStar 8i (600 x 203mm)...

1 Answer

What does no response 16 mean on a 8se nexstar telescope hand controller


This means that the hand control has lost communication with the electronics board within the base of the telescope. The number following this message will indicate the address of the component that has lost communication. 16 indicates the azimuth or RA motor board, 17 the altitude (declination) motor board. Unfortunately, this number doesn't tell why the error has occurred.

To clear the no response messages, repeatedly press UNDO. This fix may be only temporary and does not address the potential underlying problem.

You may want to send it in/return it for repairs.

Mar 01, 2011 | Celestron NexRemote Telescope Control...

1 Answer

Looking for a replacement focuser for a Celestron NexStar 130 SLT.Would like it to be 1.25 with 2in capibilty with fine focus dial


Either contact Celestron directly-- or look here--

http://www.telescope.com/control/accessories/telescope-focusers

Feb 13, 2011 | Celestron NexStar 130 SLT (306 x 130mm)...

1 Answer

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,...


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:

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

Feb 03, 2011 | Celestron NexStar 11 Telescope

1 Answer

Sirs: I'm the party with the "Rate Control" issue I have a new NexStar 8se.


The Rate Control only works for moving the telescope using the arrow keys. It does NOT work while doing an alignment, and GOTOs always slew at the max rate of 9.

For any other issues I would suggest you first RESET the hand controller and see if this corrects the problem and if NOT then reload the latest hand controller and or motor controller firmware, using the Celestron update cable and a computer.

Jan 26, 2010 | Celestron Optics

1 Answer

Azimuth Drive failure on Nexstar 114


Hi Dan, before you ship it off somewhere, you may want to try and change out the hand controller with another one that someone has and see if the problem moves.

Nov 25, 2008 | Celestron NexStar 114GT (269 x 114mm)...

1 Answer

Hand control comes up with no response 16


bintangchris: error 16 indicates a bad Hand controller, you may need to buy another one, also check all your connections going to the head assembly.Also error 16/17 indicates the HC cant communicate with the the RA/DEC control boards. It may need to go back to Celestron for repair.
SHT55

Aug 04, 2008 | Celestron NexStar 4 SE Telescope

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