Guide :Optics : Voyager 78-9945 Telescope

Altitude dial The pointer on the altitude dial does not rotate with the up and down movement of the telescope's main barrel or tube. It slips. I had this problem with my first telescope and Bushnell replaced it with a new telescope under the warranty provisions. The replacement telescope has exactly the same problem right out of the box.

Posted by starwatcher on Dec 25, 2007

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The Project Gutenberg EBook of A New Astronomy, by David Peck Todd ... at right angles to it the telescope tube ... exactly the same time as the coin does, ...
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That's right. A new "audio visual" learning experience in basic Electronics ... you receive exactly the same level of ... be adjusted in altitude (pivot up and down).
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Suggested Questions And Answer :


Altitude dial The pointer on the altitude dial does not rotate with the up and down movement of the telescope's main barrel or tube. It slips. I had this problem with my first telescope and Bushnell replaced it with a new telescope under the warranty provisions. The replacement telescope has exactly the same problem right out of the box.


The altitude scale on these small telescope are virtually useless and cannot help you find objects in the sky-- Don't worry about it --- just use the scope and a star chart to find things in the sky. A free monthly star chart that you can download is available here:http://www.skymaps.com
Read More At : Voyager 78-9945 Telescope...

The Azimuth Dial isn't firmly attached cause altitude cannot be fixed to an angle


Most of the small telescopes setting circles really cannot be used to find anything--- just not accurate enough--- Try using a star chart -- and star hopping --- to what you want to see.A free monthly star chart is available at :www.skymaps.com
Read More At : Voyager 78-9945 Telescope...

My goto telescope will not slew upwards.


I'm assuming the motor works fine. First check this link for the instructional video and check you are doing everything right. (you need quicktime to view these - you can download it from the link if you need it ; http://www.meade.com/educational/ds%20videos/qt_chap1.html Here is the link to the Meade warranty page; http://www.meade.com/support/warranties.html If your scope is no longer under warranty, you can get spares here; http://www.meade4m.com/4mshop/parts/ They have fabulous pictures of all the available parts - Check in the "mount parts" section; They show a DS worm gear assembly, and a DS gear and washer set. You can probably see better than me, but it looks as if the worm gear traverses the scope, and the gear and washers in their housing elevate the scope. There may be more than they show parts for. The real trick will be to make sure you know how to reassemble the gears you dismantle - take a photo every time you remove something so you have a record when the replacement parts arrive. It is not the most complicated gear mechanism, but it is reasonably high precision, and relatively cheap materials, so be very careful or get someone fairly gentle and mechanically minded. If you need help, post me some photos back of what you need help with, happy to oblige. Hope this helps:)
Read More At : DS-2114 ATS (325 x 114mm) Telescope...

GoTo Problem Please Help... im and going crazy!!! I have a Celestron Nextstar SLT 130 GoTo scope and love the pictures it produces but cant get it to GoTo very well. It dose the three star alignment, 1 star alignment and solar alignment fine and have no problems with alignment, level the scope well and set the time to nearly the second. Once aligned and i start to move the scope around the night sky, if i try to ask the socpe to slew back to a star, even an alignment satr, it goes in the general direction but doesn't bring the star into the view field and is off by a significant amount. I have tried centering the star in the view and then asking the scope to find that star and it goes out of the view by the same amount every time. Im goging crazy. I thought it was a motor problem and swaped the scope at the store but the new one is exactly the same. I just dont know what is wrong. Im in the southern skies and only reviews is for the northern, dont know if this matters. Any help would be fantastic. Just cant get it to slew to any objests correctly!


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
Read More At : NexStar 130 SLT (306 x 130mm) Telescope...

Meade DS2102 Telescope lost teeth for focusing in and out


It might be easiest to see if someone is selling one on Craig's list or ebay.  You might be able to find one used where the telescope is OK, but the motorized drive is broken and replace the telescope. Here is the contact information for Meade: Contacting the Customer Support Center     Customer Support representatives are available to handle your calls and letters regarding any Meade product 7:00am to 5:00pm Pacific Standard Time, Monday through Friday, excluding holidays. To contact the Meade Customer Support Center, please write, call, or fax. Our information is as follows: Meade Instruments Corporation27 Hubble Irvine, CA 92618(800) 626-3233 (U.S.A. Only) You could try calling them and see if they will sell the part you need for the focuser.  The focuser is called a rack and pinion focuser.  From your description it is hard to know if it is the long linear gear on the draw-tube (the part that holds the eyepiece) or the gear on the shaft of the focusing knob.  You will need to be able to describe that to them. I hope that helps.
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I have a broken elevation spindle, the little aluminum casting that passes through the plastic driven gear and ultimately ends in 4 tapped holes that the sleeve bolts to that holds the optical tube. We tried to repair this with JB Weld Epoxy, and it held for one night, but it broke again when moving the scope. Is a replacement spindle casting available from any source? Although I am an engineer, and if money were no object, I could probably reverse engineer this part, produce a blueprint from many careful measurements, go to a foundry, and have a new one cast (or drop forged) in stainless steel, it would cost many times more than the telescope itself, and for that price I could just get a much bigger scope with a far more rugged mount. The original damage happened when the motorized mount was in a duffel bag that someone knocked off the tailgate of a pickup. It fell about 3 feet and impacted on hard rocky terrain. Visually it appeared to be undamaged until the weight of the tube was applied, then it was obvious something had broken. I have some pictures of the part and exactly where it goes if it has a different name than what I described. So i need a good part number for this part, a valid address and price and delivery information to order one from. If someone has built an aftermarket one from something like stainless steel or similar stronger material, so much the better, as it might also stiffen the scope and reduce vibration and oscillation when one bumps the eyepiece while observing.


Meade "MAY" sell you the part? Usually they want you to send the scope back. Call customer service:http://www.meade.com/support/index.htmlThis is also a problem on the ETX model scopes. There are some ingenious fixes posted on the Mighty ETX web site.Here:http://www.weasner.com/etx/menu.html Bassically bolts, washers and nuts.Search the web site for Broken DEC knob.
Read More At : DS-2114 ATS (325 x 114mm) Telescope...

Another question How about if i buy the celestron 8se from Amazon (the option that includes free shipping) on the address of my friend. All my friend has to do is to check it that it works and ship to my address in france. The following fixed and definite costs would be: -Payment to Amzon for the equipement (USD 1199) -Payment to my friend for shipping to me (via UPS) *The cost in Europe is Euros 1650(including shipping) *The cost from US is approx Euros 1050 (including shipping + insurance and exchange rate based) The following probable cost is the Adouane or cutoms duty. The telescope has 20% VAT (Euros 168) which brings the actual price of the telescope to Euros 1218. Now excise duty doesnt apply on this postal mail. We are left with only one duty i.e., custums duty which is applied on price base+insurance (no shipping cost included). This varies from country to country and product to product. I assume if it reaches to as high as 30% (more than VAT) the total price would be Euros 1500. Now the profit margin seems to range from 50 to 100 euros. So as per my rough guess, if your mail skip the customs (usually happens) then you can have a price advantage of around euros 300 to 400. After all this calculation we need to see what disadvantages might exists. The only main disadvantage is that the warranty rests in USA. So if some thing wrong happens which is beyond the engineering mind of the telescope owner, it is possible that it stands in the room as a piece of junk. The cost of sending back to US and receving back means one problem will simply cost approx Euros 450 (return based). If this risk can be taken, i think there is a point to buy without going to USA. I have googled around and found that most of the single item based postal mails skip the customs and most of the time the VAT as well since it is costly and time consuming activity for the governments to follow each mail. In UK, they charge the customs plus the custom services from the client. Here is the mail translated in english that i recieved from the www.astroshop.de to my recent inquiry regarding price. ******************************************************************************** Hello, and Thank you for your message. The product you want to buy seems to be cheaper in the U.S. that Germany. But it is a false impression. In the given prices, taxes and costs for the customs are not included! It makes a big difference! Please also note that there are other problems if you buy in USA: - If you have a problem with the telescope, you must send it to the U.S. ... And it also has to do with costs for the customs and extremely long lasting delays - In addition, shipping costs are also higher than in the U.S. and `can lasts much longer. In addition, you do not have the same rights and safety regulations, for example, you can not change the products, you do not have 2 years of warranty etc. ..... If you consider these arguments, I think you'll think - like us - that it makes no sense to buy the equipment in the U.S.. Please contact us again if you have more questions or suggestions please ****************************************************************************


You would be better off to buy locally. Try to find a local astronomy club and attend their meetings and star parties. Sometimes the members sell their older equipment at greatly reduced prices.
Read More At : LX90 12 in. UHTC Telescope...

Violent thrashing steering wheel after 3-4 minutes of running


Not a telescope problem, but I think that the pump hoses are reversed!
Read More At : 1.25"/2" Precision Rack-and-Pinion Focuser Telescope...

MY ETX-60 DOES NOT MOVE UP AND DOWN !!!!


Go to the Mighty ETX web site for disassemble instructions--http://www.weasner.com/etx/menu.html
Read More At : ETX90AT Maksutov Telescope with UHTC (cat35140321)...

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