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Have questions? Call Customer Service at 866-252-3811 (M-F 8am-5pm CT)!

PMC-Eight GoTo Computerized Mounts

 PMC-Eight GoTo Homepage

Each weekday we simulcast the "OpenGOTO Community Live" program on social media, currently on YouTube, Facebook, and Twitter/Periscope. Our team includes Scott Roberts, Jerry Hubbell, and Kent Marts discuss all aspects of PMC-Eight technology, the Explore Scientific mounts it powers, and the latest developments from the OpenGOTO Community group. 

The PMC-Eight is backed by Explore Scientific's warranty, tech support, and a group of individuals called the OpenGOTO Community. It includes hardware, firmware, and software that runs on Windows, Android, and iOS. Here you can browse the world of PMC-Eight:

Control Your Explore Scientific Equatorial Mount Your Way!

The PMC-Eight™ represents a new approach to robotic precision motion control for telescope mounts with a robust eight-processor system for a wide range of software clients. 

Used by beginners and experienced alike the ExploreStars™ App is a free download that controls our equatorial mounts (wired or wirelessly) via a PC, laptop, or tablet for Windows, Android, and iOS. 

Perfect for advanced astronomers and those with observatories, Explore Scientific's ASCOM is the first such client that offers wired or wireless connection, and is perhaps the most advanced client ever developed for the ASCOM Standards Community. It is fully compliant to all of the ASCOM standards to connect the PMC-Eight to a vast array of sky software and telescope control software by third parties. 

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  • Explore Scientific / Losmandy G-11 with Explore Scientific PMC-Eight GoTo System
    Explore Scientific / Losmandy G-11 with Explore Scientific PMC-Eight GoTo System
    Original price $ 4,199.99 - Original price $ 4,199.99
    Original price
    $ 4,199.99
    $ 4,199.99 - $ 4,199.99
    Current price $ 4,199.99

    Explore Scientific / Losmandy G-11 with Explore Scientific PMC-Eight GoTo System

    Explore Scientific

    Description The Explore Scientific/Losmandy G-11 was designed by Explore Scientific’s Engineers, and features the PMC-Eight, which represents a ne...

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    Original price $ 4,199.99 - Original price $ 4,199.99
    Original price
    $ 4,199.99
    $ 4,199.99 - $ 4,199.99
    Current price $ 4,199.99
  • Explore Scientific EXOS2-GT Equatorial Mount with PMC-Eight GoTo System
    Explore Scientific EXOS2-GT Equatorial Mount with PMC-Eight GoTo System
    Original price $ 999.99 - Original price $ 999.99
    Original price
    $ 999.99
    $ 999.99 - $ 999.99
    Current price $ 999.99

    Explore Scientific EXOS2-GT Equatorial Mount with PMC-Eight GoTo System

    Explore Scientific

    Description The award winning Explore Scientific EXOS2-GT PMC-Eight Equatorial Mount with its 28 lb instrument payload capacity for astrophotograp...

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    Original price $ 999.99 - Original price $ 999.99
    Original price
    $ 999.99
    $ 999.99 - $ 999.99
    Current price $ 999.99
  • iEXOS-100 Azimuth Adjuster Adapter
    iEXOS-100 Azimuth Adjuster Adapter
    Original price $ 109.99 - Original price $ 109.99
    Original price
    $ 109.99
    $ 109.99 - $ 109.99
    Current price $ 109.99

    iEXOS-100 Azimuth Adjuster Adapter

    Explore Scientific

    Description The Azimuth Adjuster Adapter is designed for use on the Twilight Medium Duty or Twilight Heavy Duty tripods.  This adapter also works ...

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    Original price $ 109.99 - Original price $ 109.99
    Original price
    $ 109.99
    $ 109.99 - $ 109.99
    Current price $ 109.99
  • Explore Scientific USB Power Bank with Red LED Flashlight - ES-PBFL-01
    Explore Scientific USB Power Bank with Red LED Flashlight - ES-PBFL-01
    Original price $ 139.99 - Original price $ 139.99
    Original price
    $ 139.99
    $ 139.99 - $ 139.99
    Current price $ 139.99

    Explore Scientific USB Power Bank with Red LED Flashlight - ES-PBFL-01

    Explore Scientific

    Description With the new Explore Scientific USB Power Bank with Red LED Flashlight, you will have power to spare for your telescope mount, smart d...

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    Original price $ 139.99 - Original price $ 139.99
    Original price
    $ 139.99
    $ 139.99 - $ 139.99
    Current price $ 139.99
  • Explore FirstLight 80mm Telescope Go-To Tracker Combo
    Explore FirstLight 80mm Telescope Go-To Tracker Combo
    Original price $ 669.99 - Original price $ 669.99
    Original price
    $ 669.99
    $ 669.99 - $ 669.99
    Current price $ 669.99

    Explore FirstLight 80mm Telescope Go-To Tracker Combo

    Explore Scientific

    Features Explore FirstLight 80mm Refractor 80mm aperture will reveal impressive lunar details ranging from craters to rilles, planetary features...

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    Original price $ 669.99 - Original price $ 669.99
    Original price
    $ 669.99
    $ 669.99 - $ 669.99
    Current price $ 669.99
  • Explore FirstLight 130mm Newtonian Telescope with iEXOS-100 PMC-Eight Equatorial Tracker System
    Explore FirstLight 130mm Newtonian Telescope with iEXOS-100 PMC-Eight Equatorial Tracker System
    Original price $ 799.99 - Original price $ 799.99
    Original price
    $ 799.99
    $ 799.99 - $ 799.99
    Current price $ 799.99

    Explore FirstLight 130mm Newtonian Telescope with iEXOS-100 PMC-Eight Equatorial Tracker System

    Explore Scientific

    "This is the ultimate portable system as far as I am concerned."-Jim Johnston Astrophotographer Features Explore FirstLight 130mm Newtonian Telesc...

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    Original price $ 799.99 - Original price $ 799.99
    Original price
    $ 799.99
    $ 799.99 - $ 799.99
    Current price $ 799.99
  • iEXOS-100-2 PMC-Eight Equatorial Tracker System with WiFi and Bluetooth®
    iEXOS-100-2 PMC-Eight Equatorial Tracker System with WiFi and Bluetooth®
    Save $ 100.00 Save $ 0.00
    Original price $ 699.99
    Original price $ 699.99 - Original price $ 699.99
    Original price $ 699.99
    Current price $ 599.99
    $ 599.99 - $ 599.99
    Current price $ 599.99

    iEXOS-100-2 PMC-Eight Equatorial Tracker System with WiFi and Bluetooth®

    Explore Scientific

    "This is the ultimate portable system as far as I am concerned."-Jim Johnston Astrophotographer Features The iEXOS-100 is an astronomical GOTO sys...

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    Original price $ 699.99
    Original price $ 699.99 - Original price $ 699.99
    Original price $ 699.99
    Current price $ 599.99
    $ 599.99 - $ 599.99
    Current price $ 599.99
    Save $ 100.00 Save $ 0.00
  • iEXOS-100 PMC-Eight Equatorial Tracker System
    iEXOS-100 PMC-Eight Equatorial Tracker System
    Sold out
    Original price $ 599.99 - Original price $ 599.99
    Original price
    $ 599.99
    $ 599.99 - $ 599.99
    Current price $ 599.99

    iEXOS-100 PMC-Eight Equatorial Tracker System

    Explore Scientific

    DISCONTINUED 2022*Note that this is a discontinued product. This legacy information is for reference only. Newest model - iEXOS-100-2 PMC-Eight Equ...

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    Original price $ 599.99 - Original price $ 599.99
    Original price
    $ 599.99
    $ 599.99 - $ 599.99
    Current price $ 599.99
    Sold out
  • Explore Scientific iEXOS-100 HD PMC-Eight Equatorial Tracker System
    Explore Scientific iEXOS-100 HD PMC-Eight Equatorial Tracker System
    Sold out
    Original price $ 999.99 - Original price $ 999.99
    Original price
    $ 999.99
    $ 999.99 - $ 999.99
    Current price $ 999.99

    Explore Scientific iEXOS-100 HD PMC-Eight Equatorial Tracker System

    Explore Scientific

    Features   The Explore Scientific iEXOS-100 PMC-Eight™ Equatorial Tracker System is a complete astronomical computerized Wifi or wired GOTO system...

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    Original price $ 999.99 - Original price $ 999.99
    Original price
    $ 999.99
    $ 999.99 - $ 999.99
    Current price $ 999.99
    Sold out
  • iEXOS-100 Polar Finder and Adapter
    iEXOS-100 Polar Finder and Adapter
    Sold out
    Original price $ 109.99 - Original price $ 109.99
    Original price
    $ 109.99
    $ 109.99 - $ 109.99
    Current price $ 109.99

    iEXOS-100 Polar Finder and Adapter

    Explore Scientific

    Features Polar finder scope allows imagers to achieve more precise alignment with the celestial pole Reticle includes markings for both northern ...

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    Original price $ 109.99 - Original price $ 109.99
    Original price
    $ 109.99
    $ 109.99 - $ 109.99
    Current price $ 109.99
    Sold out
  • Explore Scientific Touch Screen Buttons for PMC-Eight - TSB4-00
    Explore Scientific Touch Screen Buttons for PMC-Eight - TSB4-00
    Sold out
    Original price $ 14.99 - Original price $ 14.99
    Original price
    $ 14.99
    $ 14.99 - $ 14.99
    Current price $ 14.99

    Explore Scientific Touch Screen Buttons for PMC-Eight - TSB4-00

    Explore Scientific

    New Item Available for Order! The Explore Scientific *Touch Screen Buttons for PMC-Eight are tactile buttons when using their PMC-Eight/ExploreStar...

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    Original price $ 14.99 - Original price $ 14.99
    Original price
    $ 14.99
    $ 14.99 - $ 14.99
    Current price $ 14.99
    Sold out
  • Explore Scientific 12V Car Adapter for EXOS2GT
    Explore Scientific 12V Car Adapter for EXOS2GT
    Sold out
    Original price $ 39.99 - Original price $ 39.99
    Original price
    $ 39.99
    $ 39.99 - $ 39.99
    Current price $ 39.99

    Explore Scientific 12V Car Adapter for EXOS2GT

    Explore Scientific

    Power port adapter allows the EXOS2GT to be operated by any 12-volt power supply with the proper female receptacle. Tip is 5.5mm x 2.5mm, polarity...

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    Original price $ 39.99 - Original price $ 39.99
    Original price
    $ 39.99
    $ 39.99 - $ 39.99
    Current price $ 39.99
    Sold out
  • Explore Scientific 12V DC 2A Power Supply for PMC-Eight systems
    Explore Scientific 12V DC 2A Power Supply for PMC-Eight systems
    Sold out
    Original price $ 19.99 - Original price $ 19.99
    Original price
    $ 19.99
    $ 19.99 - $ 19.99
    Current price $ 19.99

    Explore Scientific 12V DC 2A Power Supply for PMC-Eight systems

    Explore Scientific

    The 110v power adapter allows PMC-Eight System (EXOS2GT-PMCEight and iEXOS100) to operate off household current. Tip is 5.5mm x 2.1mm, polarity pos...

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    Original price $ 19.99 - Original price $ 19.99
    Original price
    $ 19.99
    $ 19.99 - $ 19.99
    Current price $ 19.99
    Sold out
  • Explore Scientific 12V Universal AC Power Supply for EXOS-2GT Mount - EXOSGTAC
    Explore Scientific 12V Universal AC Power Supply for EXOS-2GT Mount - EXOSGTAC
    Sold out
    Original price $ 39.99 - Original price $ 39.99
    Original price
    $ 39.99
    $ 39.99 - $ 39.99
    Current price $ 39.99

    Explore Scientific 12V Universal AC Power Supply for EXOS-2GT Mount - EXOSGTAC

    Explore Scientific

    The Explore Scientific EXOS-2GT Equatorial Computerized Mount comes with a battery pack that holds eight D-cell batteries. While using household ba...

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    Original price $ 39.99 - Original price $ 39.99
    Original price
    $ 39.99
    $ 39.99 - $ 39.99
    Current price $ 39.99
    Sold out
  • Explore Scientific / Losmandy G-11 UPGRADE with Explore Scientific PMC-Eight GoTo System - UPGRADE
    Explore Scientific / Losmandy G-11 UPGRADE with Explore Scientific PMC-Eight GoTo System - UPGRADE
    Special Order
    Original price $ 1,499.99 - Original price $ 1,499.99
    Original price
    $ 1,499.99
    $ 1,499.99 - $ 1,499.99
    Current price $ 1,499.99

    Explore Scientific / Losmandy G-11 UPGRADE with Explore Scientific PMC-Eight GoTo System - UPGRADE

    Explore Scientific

    Shipping to and from Explore Scientific is up to consumer. A box for shipping your G-11 head is available at an additional cost from Explore Scient...

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    Original price $ 1,499.99 - Original price $ 1,499.99
    Original price
    $ 1,499.99
    $ 1,499.99 - $ 1,499.99
    Current price $ 1,499.99
    Special Order