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Losmandy G11GT Equatorial Mount with FHD-MA Tripod & Gemini GoTo System - G11GT

SKU: LOS-G11GT

Losmandy G11GT Gemini 2 Equatorial Mount with FHD-MA Tripod

The modular Losmandy G11GT Equatorial Mount comes with the Titan RA Axis and the G11 Dec Axis for amazing performance and a big 75-pound weight capacity. Losmandy mounts are machined from stainless steel and aluminum in California and have a much-deserved reputation for being one of the finest precision mounts in the world. A spring-loaded worm has been added to the RA and DEC axis for the mount. The gear diameter of the G11GT is 172mm for precise tracking under load. The tucked in motors, which are new to the G11GT, make for cleaner lines and easier transport. This G11GT comes with the large FHD-MA tripod and the tried-and-true Gemini 2 GoTo electronics.

Losmandy G11GT Equatorial Mount Highlights:


  • The Losmandy G11GT Gemini 2 Equatorial Mount has a 75 lb weight capacity
  • Laser engraved latitude scales and setting circles
  • The Losmandy G11GT weighs 64 lbs.
  • 12-70º latitude range
  • Comes with the OPW one-piece worm block on both axes
  • Tucked motors for streamlined look and easier transport
  • RA axis: 6.750" diameter, 270 tooth, 7075 aluminum worm gears - special coated
  • DEC axis: 5.625" diameter, 360 tooth, 7075 aluminum worm gear
  • Spring-loaded worm added to the RA and DEC axis
  • Instrument Weight Capacity: 75 lbs.
  • Includes one 21 lb. counterweight.
  • Includes Gemini II GoTo Electronics and hand control


Losmandy G11GT RA Axis Specifications:


  • All machined stainless steel and aluminum, black anodized
  • Shafts, 1.968" diameter stainless steel tubing, .250" wall thickness
  • Worm gears, 6.750" diameter, 270 tooth, 7075 aluminum - special coated
  • Worms, precision ground brass
  • Single piece worm housing construction, double ended, ball bearing supported with adjustable preload
  • Tracking: +/- 5 arc sec. or better
  • Low temperature operation: 0º F
  • 5.062" diameter needle thrust bearings
  • 3.500" diameter sealed ball bearings
  • 3.100" diameter sealed ball bearings for worm gear
  • Fully locking, unique tangent arm design altitude adjustment, 12-70 degrees, large knob for easy alignment
  • Laser engraved latitude scale in 2 degree increments
  • Single knob azimuth control, bi-directional +/- 10 degrees, X/Y axis leveling bubbles
  • Variable slip clutch, 6.0" diameter both axes, one knob design
  • 360 degree DEC. axis rotation allowing for continuous photographing through the meridian
  • Fully enclosed R.A. and DEC. worm and worm gear
  • Equatorial Head weight 62 lbs. Breaks down into R.A. 44 lbs. & DEC. 18 lbs.
  • Removable counterweight shaft with safety stop, 1.25" diameter
  • Split dovetail saddle plate design, Losmandy style 1.00" X 6.00" X 8.00"
  • Dovetail plate drops in and locks allowing for interchanging of any tube assembly - reduces the need for DEC. weights
  • Accepts all "D" series dovetail plates.


Losmandy G11GT DEC Axis Specifications:


  • All machined aluminum and stainless steel, black anodized
  • All stainless steel hardware
  • One 3.750” diameter needle thrust bearing
  • One 2.000” diameter needle thrust bearing
  • Two 1.500” diameter needle bearings
  • 5.625” diameter, 7075 aluminum worm gear, 360 tooth
  • Dual supported, ball bearing housed ground High Precision Brass Worm
  • Variable slip clutch, both axes. One knob per axis design.
  • 1.250” diameter stainless steel shafts
  • DEC. Axis weight: 18 lbs.


Gemini 2 GoTo Features:

  • Full Color Graphic Touch Screen clearly displays all functions
  • Auto color change from dawn to dusk
  • Classic four-button pattern for guiding, centering, moving and slewing on both the touch screen and a tactile membrane on the rear
  • 1 star alignment
  • Multi star modeling for accurate pointing on both sides of meridian
  • 30 arc sec all sky positional accuracy or better
  • For Losmandy GM8, G-11 & Titan mounts
  • Custom mount support using the Programmable Gear Rate function
  • Selectable GOTO, Slewing, Centering and Guiding Rate
  • GOTO rates up to 8 degrees/sec (GM8)
  • DC Servos for improved accuracy with higher torque and smoother tracking than stepper motors
  • GPS-compatible with optional receiver
  • Stand-alone system. No PC required!
  • Ethernet 10/100 with full IP function permits operation from anywhere using a browser, ASCOM, or APP over the web or serial port
  • Non-Volatile Memory and Real-Time Clock
  • Internal battery keeps settings and preferences stored between uses
  • English, French, Spanish & German displays
  • Over 40,000 objects
  • Two USB ports; Virtual COM to PC, ASCOM or planetarium program
  • Port F - multi-function serial; A/D I/O
  • Firmware upgrade via internet
  • Permanennt PEC correction
  • Auto-Guide port (TTL)
  • Auto switch tracking rates
  • User-defined Park function
  • Search function
  • Identify function
  • Polar Align Assist
  • Polar Axis Correction
  • User-defined limit stops
  • Permanent Dec Backlash compensation
  • Electronic Balance Graph
  • Sidereal, King, Lunar, Solar, Terrestrial, Closed loop and Comet/user defined tracking rates
  • Synchronize function
  • Coordinate input
  • Bookmark set for your favorite objects
  • All objects displayed on hand controller are visible

You can find instructions on Gemini 2 Screen Calibration here.