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Celestron Motor Drive Dual Axis Model (CG-4 Mount)

Item# CELE228
 
4.0

(11 Ratings)

Customer Q & A

Price:

$139.95

List Price: $212.95
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  • Dual Axis Motor Drive for Celestron CG-4 Mount
  • Allows for automatic tracking in RA
  • Four speeds are available, 1x, 2x, 4x and 8x
  • Operates from 4 D-Cell batteries (not included)
  • Easy to install
Details & Dimensions
Guarantee & Returns

Description

This dual axis motor drive, with drive corrector capabilities, is designed for Celestron's CG-4 mounts for tracking in RA and allows movement in DEC. They precisely control the telescope's tracking speed during long, timed exposures of celestial objects, producing the best possible image sharpness. Precision drive correctors are a must for those with a serious interest in astrophotography or CCD imaging. Four speeds are available -- 1x (sidereal), 2x for guiding, 4x, and 8x for centering.
This precision, state-of-the-art DC motor drive operates from 4 D-cell batteries (user supplied). The hand controller module is very compact and fits easily in the palm of your hand. Motors for both axes are included, along with brackets, clutches and hardware.
CHOKING HAZARD - small parts may pose a risk to children under 6 yrs.

Supplier Sku:
93522
Shipping Restrictions:
Available for shipment to the USA and Canada only.

Dimensions & Specifications

Brand

Celestron

Telescope Accessories Series

Celestron Telescope Motor Drives

International Shipping

Canada

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Customer Reviews

REVIEW SNAPSHOT®

by PowerReviews
Celestron Motor Drive Dual Axis Model (CG-4 Mount)
 
4.2

(based on 11 reviews)

Ratings Distribution

  • 5 Stars

     

    (5)

  • 4 Stars

     

    (5)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (1)

89%

of respondents would recommend this to a friend.

Pros

  • Strong construction (6)
  • Easy to use (4)

Cons

    Best Uses

    • Astronomy (8)
      • Reviewer Profile:
      • Avid adventurer (4), Casual/ recreational (3)
      • Was this a gift?:
      • No (3)

    Most Liked Positive Review

     

    Good Addition to the CG-4 Mount

    These motors were extremely easy to add to the mount and are very quiet. They move my 13.4 pound astrophotography setup and the two counterweights with no problem.
    I like that the hand...Read complete review

    These motors were extremely easy to add to the mount and are very quiet. They move my 13.4 pound astrophotography setup and the two counterweights with no problem.
    I like that the hand controller light flashes when the batteries are getting low. I use rechargeable batteries and this makes sure I don't lose power in the middle of a session.
    The hand controller buttons work well and the cords are plenty long.
    Another review noted that there is a lag between pressing a button and the mount moving. That is caused by backlash in the mount. Close observation of the dec motor gears shows that they start turning immediately when the button is pushed.
    Yes, there are only 3 speeds and you can't slew the mount around the sky as previously noted but I have no problem getting the pointing close by using the clutches and hand adjusting the mount, then fine adjusting with the hand controller. Making small adjustments at 8x during astrophotography sessions works great.
    I've attached a picture (series of stacked pictures) of the Orion Nebula taken with the described setup and the motors were instrumental in getting there.

    VS

    Most Liked Negative Review

     

    junk

    This website will not let me express how poor this really is. Complete waste of money. Save the aggravation and spend money elsewhere.

    This website will not let me express how poor this really is. Complete waste of money. Save the aggravation and spend money elsewhere.

    Reviewed by 11 customers

    Sort by

    Displaying reviews 1-10

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    (1 of 2 customers found this review helpful)

     
    1.0

    junk

    By no

    from indiana

    Comments about Celestron Motor Drive Dual Axis Model (CG-4 Mount):

    This website will not let me express how poor this really is. Complete waste of money. Save the aggravation and spend money elsewhere.

     
    4.0

    Celestron Motor Drive Dual Axis Drive

    By Gary

    from Pacific Junction, IA

    About Me Casual/ Recreational

    Verified Buyer

    Pros

    • Easy To Use
    • Strong Construction

    Cons

    • No Manual Release Both Ax

    Best Uses

    • Astronomy

    Comments about Celestron Motor Drive Dual Axis Model (CG-4 Mount):

    Very good quality, and works well. It would be better if there was a release for both axis if a manual adjustment is needed. As it is now only one axis can be controlled manually if needed. Also the slew rate is a little slow.

    • Was this a gift?:
    • No
     
    5.0

    TRACKS LIKE A DREAM !

    By Stephen L

    from PALMDALE,CA

    Verified Buyer

    Comments about Celestron Motor Drive Dual Axis Model (CG-4 Mount):

    My Cg4 mount is well balanced and carefully polar aligned.
    I installed the dec. and r.a motors easily.
    I used a wire loom to dress the cables and waited for dark skies. The scope at Vega tracked for one hour then rechecked at two hours found the star still centered in a 12mm eyepiece. Seamless product.

    (3 of 3 customers found this review helpful)

     
    4.0

    Recommended with reservations

    By KF

    from Illinois

    Verified Reviewer

    Pros

    • Easy To Use
    • Strong Construction

    Cons

      Best Uses

      • Astronomy
      • Astrophotography

      Comments about Celestron Motor Drive Dual Axis Model (CG-4 Mount):

      I bought these drives for use with my Meade 6 inch F5 Schmidt Newtonian which I have mounted on the Celestron CG-4 mount. The instructions are clear and the installation is a breeze. The motor drives handle the 12 pound optical tube with no problems. Initially I was dissatisfied with the performance of the RA drive. With the motor running, high magnification views were blurred by vibration. With the drive off the image was steady and clear. Apparently this is fairly common with stepper motor drives that turn in tiny pulsing increments. The cause of this vibration is due to gear slop in the mount...not the drive motor. The cure is to adjust the gear mesh in the mount as tightly as possible without undue binding. The drive instructions explain how to adjust the CG-4 mount worm gears. but mention nothing about vibration being a possible result of improper adjustment. The troubleshooting section only talks about the adjustment being too tight and stalling the motors, or too loose and causing backlash. However,it is worm gear backlash in the mount adjustment that causes the RA motor to 'click" as the play between the gears is taken up and released by the pulsing on-off rotation of the drive motor. This clicking of the gears then induces vibration. The trick is to eliminate all play in the worm gears. This may require some trial and error to get right, but when dialed in properly the vibration is gone.
      The only complaint I have about this drive is that the RA motor has no de-clutching attachment as the Declination motor does. That means that the manual RA slow motion control cannot be used. Other than that small complaint the drive once dialed in works very well and tracks accurately.

      • Was this a gift?:
      • No
       
      5.0

      Good Addition to the CG-4 Mount

      By Terry

      from Colorado

      About Me Casual/ Recreational

      Verified Reviewer

      Pros

      • Easy To Use
      • Strong Construction

      Cons

        Best Uses

        • Astronomy
        • Astrophotography

        Comments about Celestron Motor Drive Dual Axis Model (CG-4 Mount):

        These motors were extremely easy to add to the mount and are very quiet. They move my 13.4 pound astrophotography setup and the two counterweights with no problem.
        I like that the hand controller light flashes when the batteries are getting low. I use rechargeable batteries and this makes sure I don't lose power in the middle of a session.
        The hand controller buttons work well and the cords are plenty long.
        Another review noted that there is a lag between pressing a button and the mount moving. That is caused by backlash in the mount. Close observation of the dec motor gears shows that they start turning immediately when the button is pushed.
        Yes, there are only 3 speeds and you can't slew the mount around the sky as previously noted but I have no problem getting the pointing close by using the clutches and hand adjusting the mount, then fine adjusting with the hand controller. Making small adjustments at 8x during astrophotography sessions works great.
        I've attached a picture (series of stacked pictures) of the Orion Nebula taken with the described setup and the motors were instrumental in getting there.

        • Was this a gift?:
        • No

        (0 of 1 customers found this review helpful)

         
        5.0

        Excellent . perfect for my needs.

        By Art

        from Punta Gorda Florida

        About Me Avid Adventurer

        Verified Buyer

        Pros

        • Accurate
        • Compact
        • Strong Construction

        Cons

        • Heavy

        Best Uses

        • Astronomy

        Comments about Celestron Motor Drive Dual Axis Model (CG-4 Mount):

        The German equatorial mount is a solidly constructed apparatus, that is stable and can handle a weighty optical load. I puchased the mount because I was less that thrilled with the go to mounts and I have. I have more experience with this type. I have monuted and observed with a 90mm Mak-Cassegrainan a 102 mm Schmitt-Cas. and a 6"Schmitt-Cas. All have performed very well. I am adding dual axis drives.The only draw back is that this is heavy.

         
        4.0

        Great Product!

        By Anterian

        from Lakeland, FL.

        About Me Casual/ Recreational

        Verified Buyer

        Pros

        • Accurate

        Cons

        • Needs clutch on the RA

        Best Uses

        • Astronomy

        Comments about Celestron Motor Drive Dual Axis Model (CG-4 Mount):

        The instructions are great. The only con I found was the R.A. Drive could use a clutch like on the Dec. So you could use that slow motion control also. Other than that great product

         
        4.0

        Works great, could be faster

        By RoverGuy

        from Denver, CO

        About Me Avid Adventurer

        Verified Buyer

        Pros

        • Easy Setup
        • Strong Construction

        Cons

        • Slow

        Best Uses

        • Astronomy

        Comments about Celestron Motor Drive Dual Axis Model (CG-4 Mount):

        Very easy to install onto mount. Keeps alignment well, but as others have said it could use a faster speed when trying to center an object. I found that if you push and hold the button it starts off slow but does speed up slightly after about 8 seconds. Overall great addition to your scope/mount setup.

        (3 of 3 customers found this review helpful)

         
        4.0

        Well made, easy install, but lacking

        By DXVictor

        from Clark, CO (8200' in the Rockies)

        About Me Avid Adventurer

        Verified Buyer

        Pros

        • Strong Construction

        Cons

          Best Uses

          • Astronomy

          Comments about Celestron Motor Drive Dual Axis Model (CG-4 Mount):

          The motors are robust, the installation was a breeze, quality of construction is excellent. It does what it is supposed to do - track. However, despite having 3 speeds, you can't actually use the motors to move your scope around the sky. Having speeds of 1x (normal tracking), 4x (extremely slow movement in both axis) and 8x (still very slow), you are still limited to unlocking the clutch and manually moving the scope by hand to navigate to a new object. All the motors are good for is centering your object in the eyepiece. This would have been a really outstanding option had it provided perhaps 5 speeds of say 1x, 8x, 32x, 128x, and whatever is the fastest speed you could get out of this arrangement.

          The bottom line is it will track for you and do it accurately. It's just disappointing that it lacks more versatility.

          (1 of 1 customers found this review helpful)

           
          5.0

          nice addition

          By kreigor

          from sacramento, CA

          About Me Avid Adventurer

          Pros

          • Easy To Use
          • Straight forward assembly

          Cons

            Best Uses

            • Astronomy

            Comments about Celestron Motor Drive Dual Axis Model (CG-4 Mount):

            i ordered this motor drive to move my orion apex 102mm mak/cass..... quick assembly, short timeframe... very easy on the batteries also...
            the 8X slew rate is not very fast, but i just loosen the two clutches and move it manually, lock it down and then turn the motor on...
            it keeps the object in the FOV (field of view)...
            the cost is very reasonable too... the motors are also extremely quiet, which is a big plus...

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