Losmandy GM-8G Equatorial GoTo Mount with Tripod

Losmandy GM-8G Equatorial GoTo Mount with Tripod

Losmandy GM-8G Equatorial GoTo Mount with Tripod

Losmandy GM-8G Equatorial GoTo Mount with Tripod

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Expected availability: 7-14 business days

Product Highlights

  • Motorized Equatorial Mount
  • Dual-Axis High-Torque DC Servo Motors
  • Gemini 2 GoTo Computer Controller
  • 40,000+ Object Database
  • Multiple Tracking and Slew Speeds
  • PEC / Declination Backlash Compensation
  • Vixen/Losmandy Dual Dovetail Saddle
  • 30 lb Instrument Payload Capacity
  • Adjustable-Height Aluminum Tripod
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  • 1Description

Losmandy's GM-8G Equatorial GoTo Mount is an upgrade from the basic version of this mount with the addition of dual-axis high-torque DC servo motors and the Gemini 2 computer controlled GoTo system. All hardware is made of stainless steel to resist wear over years of use, while a dual dovetail saddle will accept the common Vixen-style plates and the larger Losmandy D-style plates. DC servo motors are reversible for use in the Northern and Southern hemispheres and is powered by the included 12 VDC car/vehicle power adapter. Supporting the head and OTA is an aluminum tripod with an adjustable height to accommodate a wide variety of users.

The brains of the GM8 mount is Losmandy's Gemini 2 computer hand controller. Equipped with a 40,000+ object database and updateable via the Internet, it sports a full-color display, an intuitive user interface, and an Ethernet 10/100 port for remote PC control. It features Periodic Error Correction and Declination-axis backlash correction to provide accurate, precise, and smooth tracking over long periods of time. Multiple guide, slew, and tracking rates allows it to be easily aligned, manually controlled, and to accurately track near and deep-sky objects. A non-volatile memory and real-time clock preserves settings, including the backlash correction and PEC, when the system is turned off and power is disconnected.

  • Motorized German equatorial
  • Payload capacity: 30lb for instrument, 60lb total including counterweight(s)
  • Includes 7 lb counterweight with removable 1.25" shaft
  • Locking tangent-arm altitude adjustment, 6-68° range
  • Laser engraved latitude scale in 2° increments
  • Tiltable control panel optimizes position for comfort and ease-of-use
  • Losmandy and Vixen-style dual dovetail saddle
  • Weight: 21 lb including motor assembly
Gears and Motors
  • Dual-axis high-torque DC servo motors
  • One 2.1" diameter needle thrust bearing
  • One 2" diameter needle thrust bearing
  • Two 1.5" diameter needle bearings
  • 2.812" diameter, 7075 aluminum worm gear, 180 tooth
  • Dual supported, ball bearing; Brass Worm
  • Variable slip clutch, both axes
  • 1.25" diameter aluminum shafts
Gemini 2 Computer System
  • Intuitive touch-screen controls
  • Over 40,000 object database
  • Full color touch screen clearly displays all functions
  • Easy-to-use four-button pattern for guiding, centering, moving and slewing
  • Three guiding rates: 30%, 50% and 2x sidereal rate
  • Four setting rates: 4x, 8x, 16x, and 32x sidereal rate
  • Six guide rates: 0.3x, 0.5x, 2x, 4x, 8x, and 16x sidereal rate
  • Tracking rates: Sidereal, Solar, Lunar, King
  • Periodic Error Correction (PEC) improves tracking precision over time
  • Declination Backlash Compensation allows users to program out intrinsic play between gears for smoother and more precise tracking
  • Northern and Southern hemisphere modes
  • Auto-guider port
  • Control panel dimmer
  • Non-volatile memory and real-time clock preserves settings when turned off and power disconnected
  • Ethernet 10/100 with full IP function permits operation from anywhere using a browser, ASCOM, or app over the web or Serial Port
  • Supported languages: English, German, French, and Spanish
  • Firmware upgrade via internet
  • Dual 12-18V DC input/output (3.0A) for accessories
  • Aluminum alloy
  • Scratch-resistant black anodized finish
  • Adjustable height from 27-43"
UPC: 851868007478
In the Box
Losmandy GM-8G Equatorial GoTo Mount with Tripod
  • 7-lb Counterweight for GM-8, G-9, G-11 and Titan Mounts
  • Counterweight Shaft
  • Motor Drive Assembly Kit
  • Gemini 2 Hand Controller
  • Adjustable-Height Tripod
  • 12 VDC Power Adapter
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description
    Mount Type Motorized equatorial
    Load Capacity 60.0 lb / 27.2 kg, total
    30.0 lb / 13.6 kg, instrument capacity
    Motor High-torque DC servo
    GO-TO Capability Gemini 2 computer hand controller
    Altitude Adjustment 0 - 64°
    Polar Axis Scope None
    Includes Tripod/Pier Adjustable-height aluminum
    27 - 43" / 68.6 - 109.2 cm
    Counterweight 7.0 lb / 3.2 kg
    Power Source 12 VDC
    Weight Head: 21.0 lb / 9.5 kg
    Tripod: 15.0 lb / 6.8 kg
    Packaging Info
    Package Weight 58.5 lb
    Box Dimensions (LxWxH) 34.2 x 18.8 x 13.8"
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