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IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.

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Mount Accessories

A mount rarely arrives complete. Polar alignment needs a scope or a camera, balance needs the right counterweights and extension bars, meridian clearance often needs a pier extension, and the whole thing needs power that survives a cold night. David Astro carries mount accessories in Canada — polar scopes, counterweights, wedges, pier extensions, hand controller brackets, cable management and power distribution — stocked in Canada and shipped worldwide.

These are the parts that turn a working mount into a well-behaved one. Tell us your mount model and what is bothering you about your setup and we will point at the accessory that fixes it.

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Original price $33.00 - Original price $33.00
Original price
$33.00
$33.00 - $33.00
Current price $33.00

APM Illuminator for Crosshair Eyepieces

APM-FIND-ILL
Only 1 left!

Illuminator for reticle eyepiecesModelilluminated for Reticle Eyepieces

Original price $33.00 - Original price $33.00
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$33.00
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Current price $33.00
Original price $79.00 - Original price $124.00
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$79.00 - $124.00
$79.00 - $124.00
Current price $79.00

Baader Network Cable (red) w/ ColdTemp-specified CAT-7 Wire (CAT6a plug) - 3m to 30m

Options available

ColdTemp-specified CAT-7 Wire Durable CAT6a RJ45 Plug High-visibility Red Jacket Available in 3m, 5m, 15m, and 30m lengths Description FAQ Spec...

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Original price $79.00 - Original price $124.00
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$79.00 - $124.00
$79.00 - $124.00
Current price $79.00
Original price $82.00 - Original price $82.00
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$82.00
$82.00 - $82.00
Current price $82.00

Baader Planetarium Balancing Weight 1kg, with 1/4" photo thread (male/female)

BAA-2951401

1kg Counterweight Stainless Steel Construction Universal ¼" Photo Thread Male and Female Threads for Stacking Description FAQ Specifications In...

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Original price $82.00 - Original price $82.00
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$82.00
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Current price $82.00
Original price $137.00 - Original price $137.00
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$137.00
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Current price $137.00

Baader Planetarium Balancing Weight 1kg, Ø75 x 30mm – for Ø16mm Balancing Shaft

BAA-2951390

Weight: 1kg Shaft Diameter Compatibility: 16mm Outer Diameter: 75mm Thickness: 30mm Description FAQ Specifications In the Box Warranty ...

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Original price $137.00 - Original price $137.00
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$137.00
$137.00 - $137.00
Current price $137.00
Original price $425.00 - Original price $425.00
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$425.00
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Current price $425.00

Baader Planetarium Balancing Weight Set for Planewave OTA

BAA-2951450

Precision balancing for Direct Drive mounts Rear-mounted design avoids optical path obstruction Protects OTA stability and collimation Mounts dire...

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Original price $425.00 - Original price $425.00
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$425.00
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Current price $425.00
Original price $64.00 - Original price $64.00
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$64.00
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Current price $64.00

Baader Planetarium Mounting Block for M14 Balancing Shaft, straight – for PlaneWave CDKs

BAA-2451549

Mounting block for M14 balancing shafts Straight-through, non-angled design Engineered specifically for PlaneWave CDK telescopes Component part fo...

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Original price $64.00 - Original price $64.00
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$64.00
$64.00 - $64.00
Current price $64.00
Original price $51.95 - Original price $51.95
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$51.95
$51.95 - $51.95
Current price $51.95

Celestron AstroMaster/PowerSeeker Motor Drive

CEL-93514

Adds Right Ascension tracking to AstroMaster and PowerSeeker equatorial mounts Compensates for Earth's rotation to keep objects centered Variable ...

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Original price $51.95 - Original price $51.95
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$51.95
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Current price $51.95
Original price $29.95 - Original price $29.95
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$29.95
$29.95 - $29.95
Current price $29.95

Celestron AUX Port Splitter

CEL-93919

Adds a second auxiliary port to your Celestron mount Connect two accessories at once, like a hand controller and StarSense AutoAlign Plugs directl...

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Original price $29.95 - Original price $29.95
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$29.95
$29.95 - $29.95
Current price $29.95
Original price $71.95 - Original price $71.95
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$71.95
$71.95 - $71.95
Current price $71.95

Celestron CG-4 Polar Axis Finder

CEL-94223

Designed for Celestron CG-4 and Omni equatorial mounts Simplifies polar alignment for improved tracking accuracy Etched reticle with r...

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Original price $71.95 - Original price $71.95
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$71.95
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Current price $71.95
Original price $61.95 - Original price $61.95
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$61.95
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Current price $61.95

Celestron CG-5/AVX/CGEM Polar Finderscope

CEL-94224
1 in stock

Enables precise polar alignment for CG-5, AVX, and CGEM mounts Etched reticle with Northern and Southern Hemisphere star patterns Features Big Dip...

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Original price $61.95 - Original price $61.95
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$61.95
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Current price $61.95
Original price $134.95 - Original price $134.95
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$134.95
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Current price $134.95

Celestron Counterweight 17 lbs for 19mm Shaft

CEL-94189
1 in stock

Balances payloads up to 17 lbs (7.71 kg) Designed for 19mm (0.74") diameter counterweight shafts Compatible with Celestron Advanced VX, CG-5, CGEM...

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Original price $134.95 - Original price $134.95
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$134.95
$134.95 - $134.95
Current price $134.95
Original price $89.95 - Original price $89.95
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$89.95
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Current price $89.95

Celestron Counterweight - 11 lbs for 19mm Shaft

CEL-94203
1 in stock

Adds 11 lbs (5 kg) of balancing force Designed for 19mm (0.74") diameter counterweight shafts Compatible with Advanced VX, CG-5, CGEM, CGEM II, an...

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Original price $89.95 - Original price $89.95
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$89.95
$89.95 - $89.95
Current price $89.95
Original price $61.95 - Original price $61.95
Original price
$61.95
$61.95 - $61.95
Current price $61.95

Celestron Counterweight - 12 lbs for 19mm Shaft

CEL-94286
3 in stock

Adds 12 lbs (5.44 kg) of balance capacity to your mount Designed for Celestron mounts with a 19mm (0.74") counterweight shaft Compatible with Adva...

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Original price $61.95 - Original price $61.95
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$61.95
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Current price $61.95
Original price $184.95 - Original price $184.95
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$184.95
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Current price $184.95

Celestron Counterweight - 22 lbs for 32mm Shaft

CEL-94187
1 in stock

Adds 22 lbs (9.98 kg) of balancing mass to your equatorial mount Designed specifically for heavy-duty 32mm (1.26") diameter counterweight shafts O...

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Original price $184.95 - Original price $184.95
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$184.95
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Current price $184.95
Original price $174.95 - Original price $174.95
Original price
$174.95
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Current price $174.95

Celestron Dual-Axis Motor Drive for CG-4 Mounts

CEL-93522

Adds Right Ascension tracking to follow celestial objects Includes a Declination motor for 4-way direction control Variable speed hand controller ...

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Original price $174.95 - Original price $174.95
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$174.95
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Current price $174.95
Original price $539.95 - Original price $539.95
Original price
$539.95
$539.95 - $539.95
Current price $539.95

Celestron HD Pro Wedge

CEL-93664

Enables long-exposure astrophotography with fork-mounted telescopes Supports Schmidt-Cassegrain telescopes up to 11" Heavy-duty construction with ...

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Original price $539.95 - Original price $539.95
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$539.95
$539.95 - $539.95
Current price $539.95
Original price $143.95 - Original price $143.95
Original price
$143.95
$143.95 - $143.95
Current price $143.95

Celestron NexStar+ Hand Control USB, AZ

CEL-93981
1 in stock

Direct GoTo upgrade or replacement for Celestron alt-azimuth mounts Access a vast database of celestial objects across 4 major catalogs Features C...

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Original price $143.95 - Original price $143.95
Original price
$143.95
$143.95 - $143.95
Current price $143.95
Original price $143.95 - Original price $143.95
Original price
$143.95
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Current price $143.95

Celestron NexStar+ Hand Control USB, EQ

CEL-93982

Direct replacement for Celestron equatorial GoTo mounts Intuitive menu system for object navigation Features Celestron's All-Star Polar Alignment ...

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Original price $143.95 - Original price $143.95
Original price
$143.95
$143.95 - $143.95
Current price $143.95
Original price $194.95 - Original price $194.95
Original price
$194.95
$194.95 - $194.95
Current price $194.95

Celestron Polar Axis Finderscope for CGX & CGX-L

CEL-94239

Achieve precise polar alignment for your CGX or CGX-L mount 6x20 multi-coated optics make finding Polaris easy Constellation-based reticle require...

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Original price $194.95 - Original price $194.95
Original price
$194.95
$194.95 - $194.95
Current price $194.95
Original price $143.95 - Original price $143.95
Original price
$143.95
$143.95 - $143.95
Current price $143.95

Celestron SkyPortal WiFi Module

CEL-93973

Control your Celestron computerized telescope wirelessly Connects to your mount's AUX port for power and data Dual-band 2.4 GHz and 5 GHz WiFi ope...

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Original price $143.95 - Original price $143.95
Original price
$143.95
$143.95 - $143.95
Current price $143.95
Original price $194.95 - Original price $194.95
Original price
$194.95
$194.95 - $194.95
Current price $194.95

Celestron SkySync GPS Accessory

CEL-93969

Automatically provides time, date, and location data from GPS satellites Connects to your Celestron telescope's hand control or AUX port Simplifie...

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Original price $194.95 - Original price $194.95
Original price
$194.95
$194.95 - $194.95
Current price $194.95
Original price $479.00 - Original price $479.00
Original price
$479.00
$479.00 - $479.00
Current price $479.00

Celestron StarSense AutoAlign

CEL-94005

Replaces manual alignment with automated plate-solving 1.2 Megapixel CMOS sensor with 3.75µm pixels Fast f/2, 20mm 2-element objective lens Includ...

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Original price $479.00 - Original price $479.00
Original price
$479.00
$479.00 - $479.00
Current price $479.00
Original price $659.00 - Original price $659.00
Original price
$659.00
$659.00 - $659.00
Current price $659.00

Celestron StarSense AutoAlign for Sky-Watcher Mounts

CEL-94006

Automatically aligns your Sky-Watcher mount in minutes Replaces manual star alignment with advanced plate-solving technology Compatible with HEQ5,...

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Original price $659.00 - Original price $659.00
Original price
$659.00
$659.00 - $659.00
Current price $659.00
Original price $143.95 - Original price $143.95
Original price
$143.95
$143.95 - $143.95
Current price $143.95

Celestron StarSense Hand Control USB

CEL-93999

Unlocks StarSense AutoAlign accessory functionality 40,000-object database with detailed information Direct PC connection via Mini-USB for firmwar...

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Original price $143.95 - Original price $143.95
Original price
$143.95
$143.95 - $143.95
Current price $143.95

What Actually Improves a Mount in Use

Most mount complaints resolve to one of four things: alignment accuracy, balance, clearance or power stability. Each has a specific accessory answer.

  • Polar scopes and alignment aids: Illuminated reticles and electronic polar alignment cameras that reduce alignment from a lengthy drift procedure to a few minutes.
  • Counterweights and extension bars: Correct balance reduces motor load and improves guiding; an extension bar lets a short heavy tube be balanced with less total weight.
  • Pier extensions: Raise the mount head so a long tube clears the tripod legs at the meridian, which is the fix for the most common and most annoying mechanical collision.
  • Equatorial wedges: Convert an alt-azimuth fork mount to equatorial tracking, eliminating field rotation for imaging.
  • Cable management: Clips, wraps and routing hardware that prevent the snag which ends an unattended session at 2 a.m.
  • Power supplies and distribution: Regulated supplies sized for cold-weather draw, since voltage sag is a frequent cause of stalls and tracking faults.

Why Choose David Astro for Mount Accessories

Accessory choice here is entirely mount-specific, so identification matters more than selection.

  • Model-specific fitment: Counterweight shaft diameters, pier extension bolt patterns and wedge mounting all vary by mount, and we confirm the match before shipping.
  • Meridian clearance calculated: Give us your tube length and tripod height and we will work out whether you need an extension and how much.
  • Cold-weather power sizing: We size supplies for the current your mount draws when the grease is stiff at minus 25, not for the specification at room temperature.
  • Authorized dealer: Genuine accessories with full manufacturer warranty, in stock, with fast shipping across Canada and worldwide.
  • Domestic shipping: Heavy items like counterweights ship from Canada without duties or brokerage fees.

Mount Accessories in Canada — Frequently Asked Questions

Do I need a pier extension?
If your telescope strikes a tripod leg when crossing the meridian, or you cannot reach targets near the pole, yes. Send us your tube length and mount model and we will calculate the required height.
What counterweight do I need?
Enough to balance your payload at a sensible position on the shaft — roughly two thirds out, not at the very end. Shaft diameter is mount-specific, so tell us the model rather than the weight alone.
Is an electronic polar alignment camera worth it?
For imaging, usually yes. It reaches better accuracy than a polar scope in a fraction of the time and works when Polaris is obscured, which matters from urban backyards.
Why does my mount stall in the cold?
Most often voltage sag under load rather than a mechanical fault. Cold thickens lubricant, current draw rises, and an undersized supply or a long thin cable drops voltage below the mount's tolerance.

Finishing your mount setup?

Tell us your mount model and what is giving you trouble. We will specify the fix. Full warranty, shipped from Canada.