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  • Atik Cameras ATIK ST4 Compatible Autoguider Cable (2 m) - ATK0027
    $5.00
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  • Atik Cameras Atik Off-Axis Guider - ATK0070
    $226.00
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  • Baader Planetarium Baader Off-Axis Guider for RCC Newton Coma Corrector - GUIDER
    $189.00
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  • Celestron Off-Axis Guider
    Celestron Celestron Off Axis Guider - 93648
    $259.95 $249.00
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  • Orion Orion Magnificent Mini AutoGuider Package - 24781
    $349.99
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  • Orion Orion Deluxe Off-Axis Guider for Astrophotography - 05521
    $79.99
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  • Orion Orion Mini 50 mm Guide Scope - 08891
    $79.99
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  • Orion Orion StarShoot Auto Guider - 52064
    $299.99
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  • ZWO Astronomy Cameras ZWO 60mm f/4.6 Guidescope Kit - 60280
    $118.00
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  • ZWO Astronomy Cameras ZWO USB to ST4 Adapter - USBST4
    $39.00
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  • Celestron Celestron OAG Wide Adapter for 9.25"/11"/14" - 93652
    $31.95 $24.95
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  • Orion Orion Thin Off-Axis Guider For Astrophotography - 05531
    $129.99
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  • SX Lodestar X2 Autoguider
    Starlight Xpress Starlight Xpress Lodestar X2 Autoguider - Monochrome
    $649.00 $499.95
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  • SX Lodestar X2 Autoguider
    Starlight Xpress Starlight Xpress Lodestar X2 Autoguider - Color
    $649.00 $549.95
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  • Starlight Xpress Slimline OAG
    Starlight Xpress Starlight Xpress Slimline OAG for USB Filter Wheel with Lodestar - SLFW-OAG
    $245.00
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  • Starlight Xpress AO/OAG Extension Tube
    Starlight Xpress Starlight Xpress Extension Tube for AO or OAG
    $45.00
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  • Starlight Xpress AO-LF Active Optics - Side View
    Starlight Xpress Starlight Xpress Large Format Active Optics Guiding System with OAG - SXV-AO-LF
    $1,595.00
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  • Starlight Xpress AOQSI Active Optics - Shows Optional OAG
    Starlight Xpress Starlight Xpress Large Format Active Optics Guiding System without OAG - SXV-AOQSI
    $1,295.00
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  • Slimline OAG with Extension Tube
    Starlight Xpress Starlight Xpress Slimline OAG & Extension Tube - SX-UOAG
    $265.00
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  • Starlight Xpress SuperStar - Front
    Starlight Xpress Starlight Xpress SuperStar High Res Autoguider & CCD Camera - Color
    $645.00 $619.95
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  • Starlight Xpress Slimline OAG to AO Adapter
    Starlight Xpress Starlight Xpress Slimline OAG to AO Active Optics Adapter
    $60.00
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  • Starlight Xpress Starlight Xpress Slimline OAG for Trius Cameras without a Filter Wheel - SXVR-OAG
    $329.95
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  • ADM ADM V Series Guidescope Kit For Celestron C8 - V-C8-125
    $169.00
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  • Meade Meade Autoguider Port Module for LX80 & LX90 Telescopes - 07509
    $59.99 $54.95
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  • Atik Cameras Atik One OAG Off-Axis Guider - ATK0132
    $163.00
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  • ZWO Astronomy Cameras ZWO Atmospheric Dispersion Corrector - ADC
    $128.00
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  • ADM Accessories Max Guider Female Base with Attached Telescope
    ADM ADM Accessories Max Guider Guidescope Aiming Device - Female Saddles - MAX-F
    $440.00
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  • Orion StarShoot AutoGuider with 60 mm Guide Scope
    Orion Orion StarShoot AutoGuider and 60mm Guide Scope Package - 21404
    $439.99
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  • ADM Max Guider - Male Base
    ADM ADM Accessories Max Guider Guidescope Aiming Device - Female Saddle/Male Dovetail - MAX-M
    $440.00
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  • Orion Orion 60mm Multi-Use Guide Scope with Helical Focuser - 13008
    $179.99
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  • ADM Max Guider HD Alt-Az Aiming Device
    ADM ADM Accessories Max Guider Guidescope Aiming Device - Heavy-Duty Version - MAX-HD
    $550.00
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  • ADM Mini Max Guider Aiming Device
    ADM ADM Mini-Max Guider Alt-Az Aiming Device - Female Saddles - MINI-MAX-F
    $330.00
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  • QHY Mini GuideScope for QHY5 Cameras - Mounting Bracket Not Included
    QHY QHY Mini Guide Scope Only for QHY5 Series Cameras - MINIGUIDESCOPE
    $109.00
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  • QHY OAG Off-Axis Guider - Small
    QHY QHY OAG Off-Axis Guider - Small - OAG-S
    $180.00
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  • QHY OAG Off-Axis Guider - Medium
    QHY QHY OAG Off-Axis Guider - Medium - OAG-M
    $230.00
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  • Large Version of QHY OAG (OAG-S in front)
    QHY QHY OAG Off-Axis Guider - Large - OAG-L
    $280.00
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  • ADM Accessories Alt/Az TGAD Aiming Device for Side-By-Side Systems
    ADM ADM Alt/Az Tandem Aiming Device for Side-By-Side Systems - TGAD
    $550.00
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  • ADM Mini-Max Guider - Male Saddle/Female Dovetail
    ADM ADM Mini-Max Guider Alt-Az Aiming Device - Female Saddle/Male Dovetail - MINI-MAX-M
    $330.00
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  • ADM D Series SBS Dovetail Plate with Max Guider Aiming Device
    ADM ADM Accessories D Series Side-by-Side Dovetail Plate with Max Guider - DSBS-MAX
    $549.00
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  • ADM SBS Dovetail Plate with Max Guider & Dual
    ADM ADM Accessories SBS Dovetail Plate with Max Guider and Dual DV Series Saddle.- DSBS-MAX-DUAL
    $569.00
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Guiding can be a daunting task for the new astrophotographer, but it doesn’t have to be. An equatorial mount is a must-have for anyone interested in imaging celestial objects. An equatorial mount compensates for the Earth’s rotation to help your setup stay fixed on a guide star. However, there are many more accessories that can help you guide easily and hassle-free. The three basic tools that astrophotographers use are an off-axis guider, auto-guider, and a guidescope.


An off-axis guider (OAG) connects to your main optical train and typically uses a prism to redirect a small pathway of light to a separate guiding camera. This way, you can do short exposures, detect stars, and calculate guiding errors. This setup is a lightweight option and, in most cases, will not add flexure to your imaging setup. Also, an OAG is typically a cost-effective option: all you need is an OAG and a guiding camera. However, an OAG will add extra length to your imaging train, so it may be cumbersome to obtain focus. We recommend OAGs for new amateur astrophotographers because it is a straightforward and inexpensive guiding system.


If you are looking for a more advanced guiding system, then a guidescope is the way to go. These scopes are typically small refractors that you mount on top of your main imaging system. This is a great option for astrophotographers who prefer to image through a smaller aperture and slower telescope because this is when stars are more difficult to see through an OAG. However, piggybacking a guidescope adds significant weight to your setup and can cause flexure or extra strain on the mount.


An autoguider is an excellent choice for astrophotographers looking to take long exposures. This high-tech camera sits on the back of your guidescope or OAG. The autoguider is then connected to your mount to keep your setup continuously tracking the guide star throughout your imaging session. This dramatically reduces tracking errors and eliminates drift, which can cause oblong stars to appear in your image. Autoguiding is perfect for deep-space imaging, where it is crucial to be precise when guiding.

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