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Cables

Cables cause more lost imaging nights than any other component, and almost none of those failures are electrical. Standard PVC cable stiffens dramatically below minus 20 and pulls on the mount, long unpowered USB runs drop connections, and a loop that snags during a meridian flip can damage a focuser. David Astro carries cables in Canada, in stock here and shipped without customs delays for Canadian buyers.

Length, gauge and cold flexibility are the three specifications that matter. Tell us your rig and we will list what you need.

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CA$43.00 - CA$43.00
CA$43.00
CA$43.00 - CA$43.00
CA$43.00

Celestron Car Battery Adapter (for all NexStars)

CEL-18769

Powers any Celestron computerized telescope from a car battery 25-foot cord provides ample reach Standard cigarette lighter plug 5.5mm/2.1mm barre...

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CA$43.00 - CA$43.00
CA$43.00
CA$43.00 - CA$43.00
CA$43.00
Explore Scientific ES-ASCOM-Y Dual Plug Cable
CA$49.00 - CA$49.00
CA$49.00
CA$49.00 - CA$49.00
CA$49.00

Explore Scientific ES-ASCOM-Y Dual Plug Cable

ES-ASCOM-Y

Connects DB9 and USB Mini-B devices simultaneously to one computer Enables ASCOM control for Explore Scientific PMC-Eight systems Features an inte...

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CA$49.00 - CA$49.00
CA$49.00
CA$49.00 - CA$49.00
CA$49.00
iOptron Controller Cable - 6P4C
CA$25.00 - CA$25.00
CA$25.00
CA$25.00 - CA$25.00
CA$25.00

iOptron Controller Cable - 6P4C

IOP-8415

6P4C (6 Position, 4 Conductor) Connector Standard Replacement for Telescope Hand Controllers Flexible Coiled or Straight Cable Design Durable Lock...

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CA$25.00 - CA$25.00
CA$25.00
CA$25.00 - CA$25.00
CA$25.00
iOptron Controller Cable - 6P6C
CA$28.00 - CA$28.00
CA$28.00
CA$28.00 - CA$28.00
CA$28.00

iOptron Controller Cable - 6P6C

IOP-8415-6P6C
1 in stock

6-Position, 6-Conductor (6P6C) Connector Connects Hand Controller to Mount Ensures Reliable GoTo Communication Standard Replacement for Many Mount...

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CA$28.00 - CA$28.00
CA$28.00
CA$28.00 - CA$28.00
CA$28.00
iOptron USB Cable
CA$28.00 - CA$28.00
CA$28.00
CA$28.00 - CA$28.00
CA$28.00

iOptron USB Cable

IOP-8416

Standard USB Connection For Astronomy Cameras, Mounts, and Accessories Ideal as a Spare or Replacement Description FAQ Specifications In the Bo...

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CA$28.00 - CA$28.00
CA$28.00
CA$28.00 - CA$28.00
CA$28.00
CA$26.00 - CA$26.00
CA$26.00
CA$26.00 - CA$26.00
CA$26.00

Pegasus Adapter 2.1 x 5.5mm female to GX12 (For NYX-101)

PEG-ADAPT-21GX12

Connects standard 2.1mm x 5.5mm power sources to GX12 inputs Designed for Pegasus Astro NYX-101 and NYX-88 mounts Rated for a maximum current of 1...

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CA$26.00 - CA$26.00
CA$26.00
CA$26.00 - CA$26.00
CA$26.00
Player One ST4 Compatible Autoguider Cable
CA$8.00 - CA$8.00
CA$8.00
CA$8.00 - CA$8.00
CA$8.00

Player One ST4 Compatible Autoguider Cable

POA-ST4-2M

Enables direct hardware-based pulse guiding Connects ST4 guide cameras to ST4 mount ports Standard RJ-12 connectors Bypasses PC-to-mount driver co...

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CA$8.00 - CA$8.00
CA$8.00
CA$8.00 - CA$8.00
CA$8.00
Player One Type-C to Type-A USB2.0 Cable 2M
CA$22.00 - CA$22.00
CA$22.00
CA$22.00 - CA$22.00
CA$22.00

Player One Type-C to Type-A USB2.0 Cable - 2m

POA-TYPE-C-A-USB2.0-2M

Connects USB Type-C devices to Type-A ports 2-meter (6.56 ft) length USB 2.0 standard for reliable data transfer Ideal for guide cameras, filter w...

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CA$22.00 - CA$22.00
CA$22.00
CA$22.00 - CA$22.00
CA$22.00
Player One Type-C to Type-A USB3.2 Cable 2M
CA$27.00 - CA$27.00
CA$27.00
CA$27.00 - CA$27.00
CA$27.00

Player One Type-C to Type-A USB3.2 Cable - 2m

POA-TYPE-C-A-USB3.2-2M

Connects USB-C devices to USB-A ports USB 3.2 standard for high-speed data 2-meter (6.5-foot) cable length Durable, flexible construction Descr...

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CA$27.00 - CA$27.00
CA$27.00
CA$27.00 - CA$27.00
CA$27.00
Player One Type-C to Type-B USB2.0 Cable 0.5M
CA$20.00 - CA$20.00
CA$20.00
CA$20.00 - CA$20.00
CA$20.00

Player One Type-C to Type-B USB2.0 Cable - 0.5m

POA-TYPE-C-B-USB2.0-0.5M

Connects USB-C to USB-B Devices 0.5 Meter (1.64 ft) Length USB 2.0 Standard Ideal for Telescope Cable Management Description FAQ Specifications...

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CA$20.00 - CA$20.00
CA$20.00
CA$20.00 - CA$20.00
CA$20.00
Player One Type-C to Type-B USB2.0 Cable 1M
CA$21.00 - CA$21.00
CA$21.00
CA$21.00 - CA$21.00
CA$21.00

Player One Type-C to Type-B USB2.0 Cable - 1m

POA-TYPE-C-B-USB2.0-1M

1 Meter (3.3 ft) Length USB Type-C Male Connector USB Type-B Male Connector USB 2.0 Standard Compatibility Description FAQ Specifications In th...

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CA$21.00 - CA$21.00
CA$21.00
CA$21.00 - CA$21.00
CA$21.00
Player One Type-C to Type-C USB2.0 Cable 0.5M
CA$20.00 - CA$20.00
CA$20.00
CA$20.00 - CA$20.00
CA$20.00

Player One Type-C to Type-C USB2.0 Cable - 0.5m

POA-TYPE-C-C-USB2.0-0.5M

0.5 Meter Length Type-C to Type-C Connectors USB2.0 Standard Designed for Player One Cooled Cameras and Accessories Description FAQ Specificati...

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CA$20.00 - CA$20.00
CA$20.00
CA$20.00 - CA$20.00
CA$20.00
Player One USB 2.0 Cable - 2 Meters
CA$21.00 - CA$21.00
CA$21.00
CA$21.00 - CA$21.00
CA$21.00

Player One USB 2.0 Cable - 2m

POA-USB2-2M

2 Meter Length USB 2.0 Interface Shielded Flat Cable Design Optimized for Astrophotography Data Stability Description FAQ Specifications In the...

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CA$21.00 - CA$21.00
CA$21.00
CA$21.00 - CA$21.00
CA$21.00
Player One USB 3.0 Cable - 2M
CA$27.00 - CA$27.00
CA$27.00
CA$27.00 - CA$27.00
CA$27.00

Player One USB 3.0 Cable - 2m

POA-USB3-2M

2-Meter Length USB 3.0 Interface Flexible Flat-Cable Design Built-in EMI Shielding Description FAQ Specifications In the Box Downloads Warranty...

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CA$27.00 - CA$27.00
CA$27.00
CA$27.00 - CA$27.00
CA$27.00
PrimaLuceLab EAGLE-compatible power cable for QSI cameras - 115cm 8A
CA$69.00 - CA$69.00
CA$69.00
CA$69.00 - CA$69.00
CA$69.00

PrimaLuceLab EAGLE-compatible power cable for QSI cameras - 115cm 8A

PLL-PL1000049

Powers QSI cameras directly from any PrimaLuceLab EAGLE unit 115cm (45.3") cable length for flexible routing Rated for up to 8A of current at 12V ...

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CA$69.00 - CA$69.00
CA$69.00
CA$69.00 - CA$69.00
CA$69.00
PrimaLuceLab EAGLE-compatible power cable with 5.5 - 2.1 connector and locking screw - 115cm for 8A port
CA$69.00 - CA$69.00
CA$69.00
CA$69.00 - CA$69.00
CA$69.00

PrimaLuceLab EAGLE-compatible power cable with 5.5 - 2.1 connector and locking screw - 115cm for 8A port

PLL-PL1000037

115cm (45.3") Cable Length Connects to PrimaLuceLab EAGLE 8A Power Port 5.5mm Outer / 2.1mm Inner Barrel Connector Locking Screw on Device-Side Co...

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CA$69.00 - CA$69.00
CA$69.00
CA$69.00 - CA$69.00
CA$69.00
PrimaLuceLab EAGLE-compatible power Y cable for 3A port
CA$83.00 - CA$83.00
CA$83.00
CA$83.00 - CA$83.00
CA$83.00

PrimaLuceLab EAGLE-compatible power Y cable for 3A port

PLL-PL1000047

Splits one 12V EAGLE port into two power outputs Designed for the 3A threaded ports on EAGLE units Provides a total shared current of 3A 115cm tot...

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CA$83.00 - CA$83.00
CA$83.00
CA$83.00 - CA$83.00
CA$83.00
PrimaLuceLab EAGLE-compatible power Y cable for 8A port
CA$83.00 - CA$83.00
CA$83.00
CA$83.00 - CA$83.00
CA$83.00

PrimaLuceLab EAGLE-compatible power Y cable for 8A port

PLL-PL1000048

Splits one 8A EAGLE power port into two outputs Provides one 5.5/2.1mm and one 5.5/2.5mm connector Total combined output of 8A at 12V 115cm total ...

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CA$83.00 - CA$83.00
CA$83.00
CA$83.00 - CA$83.00
CA$83.00
CA$21.00 - CA$21.00
CA$21.00
CA$21.00 - CA$21.00
CA$21.00

QHYCCD 4-pin to 6-pin Cable for QHYCFW3

QHY-030011
6 in stock

Connects legacy 4-pin QHY accessories to the 6-pin port on the QHYCFW3 Ensures correct power and data pinout for reliable operation Official QHYCC...

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CA$21.00 - CA$21.00
CA$21.00
CA$21.00 - CA$21.00
CA$21.00
QHYCCD ST-4 Guiding Cable for QHY5III Series
CA$21.00 - CA$21.00
CA$21.00
CA$21.00 - CA$21.00
CA$21.00

QHYCCD ST-4 Guiding Cable for QHY5III Series

QHY-030002

Connects QHY5III Series cameras to an ST-4 autoguider port Enables direct, hardware-level guide corrections Standard connector for most equatorial...

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CA$21.00 - CA$21.00
CA$21.00
CA$21.00 - CA$21.00
CA$21.00
QHYCCD USB 3.0 Cable
CA$21.00 - CA$21.00
CA$21.00
CA$21.00 - CA$21.00
CA$21.00

QHYCCD USB 3.0 Cable

QHY-030006
2 in stock

Official QHYCCD Replacement Part USB 3.0 High-Speed Interface Ensures Reliable Camera-to-PC Data Transfer Description FAQ Specifications In the...

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CA$21.00 - CA$21.00
CA$21.00
CA$21.00 - CA$21.00
CA$21.00
QHYCCD USB Cable for PoleMaster
CA$21.00 - CA$21.00
CA$21.00
CA$21.00 - CA$21.00
CA$21.00

QHYCCD USB Cable for PoleMaster

QHY-030026

Official Replacement Cable For QHY PoleMaster Provides Power and Data Ensures Reliable Connection Description FAQ Specifications In the Box War...

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CA$21.00 - CA$21.00
CA$21.00
CA$21.00 - CA$21.00
CA$21.00
QHYCCD USB2.0 Cable
CA$21.00 - CA$21.00
CA$21.00
CA$21.00 - CA$21.00
CA$21.00

QHYCCD USB2.0 Cable

QHY-030001

Replacement USB 2.0 Cable For QHYCCD QHYCFW3 Filter Wheels Provides Both Power and Data Control Enables Standalone Filter Wheel Operation Descr...

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CA$21.00 - CA$21.00
CA$21.00
CA$21.00 - CA$21.00
CA$21.00
CA$17.00 - CA$17.00
CA$17.00
CA$17.00 - CA$17.00
CA$17.00

ZWO USB2.0 Cable - 0.5m

ZWO-USB2-05M
4 in stock

0.5-meter (1.64 ft) length to minimize cable drag and snags USB 2.0 Type-A to Type-B connectors Reliable data transfer for guide camer...

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CA$17.00 - CA$17.00
CA$17.00
CA$17.00 - CA$17.00
CA$17.00

Cabling a Rig That Runs All Night

The goal is the shortest possible runs, adequate conductor size, and material that stays flexible at the temperatures you actually observe in.

  • Cold-flexible power cables: Silicone-jacketed and cold-rated cable that stays supple below minus 20, where standard PVC becomes stiff enough to exert real force on the mount.
  • Conductor gauge: Voltage drop scales with length and inversely with cross-section. A thin power lead is a frequent and easily fixed cause of cold-weather mount stalls.
  • USB cable length: Long unpowered runs are the leading cause of camera disconnections. A mount-top powered hub with short camera cables solves most of them.
  • Connector types: Locking and threaded connectors resist vibration and accidental disconnection far better than friction-fit plugs.
  • Right-angle connectors: Reduce the strain radius at the device, which matters where a cable exits a camera on a rotating assembly.
  • Length discipline: Excess cable is what snags. Cables cut or specified to the actual run length are safer than long ones coiled up.

Why Choose David Astro for Cables

We troubleshoot enough overnight failures to know that cable choice is not a detail.

  • Cold-rated by default: We recommend cable that stays flexible at Canadian winter temperatures, because stiff cable both snags and drags on the mount.
  • Gauge specified for the run: We size conductors against current and length, which prevents the voltage sag that causes mysterious stalls.
  • Layout advice: We help plan routing and service loops so a meridian flip does not snag anything.
  • Authorized dealer: Genuine products, in Canadian stock, shipped domestically.
  • No cross-border fees: Canadian orders arrive without duties or brokerage charges.

Cables in Canada — Frequently Asked Questions

Why does my rig fail in winter but not summer?
Two reasons, both cable-related: stiff cable exerts force on the mount, and higher current draw plus a thin or long power lead drops voltage below the mount's tolerance.
How long can a USB cable be?
Shorter than most people run. Keep camera cables under a couple of metres to a powered hub on the mount, and take the longer run from the hub to the computer.
What gauge power cable do I need?
Thicker than it seems. Voltage drop rises with length and current, and dew heaters plus a mount can draw considerably. Tell us your loads and run length and we will specify.
How do I stop cables snagging?
Use the shortest cables that reach, route them along the tube and mount rather than hanging free, and leave a deliberate service loop that takes up slack during a meridian flip.

Cabling for winter?

Tell us your rig and run lengths and we will specify cable and routing. In Canadian stock, shipped worldwide.