GM-11-GLT

This is the same as the GM-11 SLT except it has the Gemini GOTO sytem installed.

SPECIFICATION: R.A. / DEC. AXIS

• 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 stainless steel worm-heat treated and ground.
• Variable slip clutch, both axes. One knob design.
• 1.250” diameter stainless steel shafts.
• Fully locking, unique tangent arm design altitude adjustment, 14-64 degrees, large knob for easy alignment. (8-68 degrees with small modification).
• Laser engraved latitude scale in 2 degree increments.
• Single knob azimuth control, bi-directional +/- 8.5 degree.
• 5.000” diameter laser engraved setting circles, 4 minute R.A., vernier reading to 1 minute / 1 degrees DEC., vernier reading to 0.1 degree. R.A. circle engraved for Northern and Southern Hemisphere.
• Porter slip ring design.
• 160 oz/in stepper motor, 0.5 arc sec. step.
• Dovetail saddle-plate allows for the interchanging of any tube assembly-reduces need for DEC. weights.
• Removable stainless steel weight shaft w/safety knob.
• 21 lb counterweight.
• 7 lb and 11 lb extra counterweights available.
• Through the axis polar scope, works in Northern and Southern Hemisphere. Polar scope optional.
• Instrument weight capacity 60 lbs.
• Equatorial head weight 36 lbs.

• All machined aluminum, black anodized, powder coated.
• Tripod height, adjustable from 33” - 48” 
• Removable leg design for easy transporting.
• Tripod weight 35 lbs.

• Diamond push button pattern.
• R.A. and DEC. reversing switches.
• Three guiding rates; 30%, 50% and 2x sidereal rate.
• Three setting rates; 4x, 8x, 16x sidereal rate.
• Quartz tracking rates: sidereal, solar, lunar, king.
• Periodic Error Correction (PEC).
• Programmable DEC. Backlash Compensation (TVC).
• Control panel dimmer.
• Accepts auto-guider systems.
• Northern and Southern Hemisphere operation.
• 12 volt DC - 500ma power use.
• Tiltable control panel for easy access.
• Small hand control box for comfortable use.

All heights are to top of tripod. Add 10” @ 34 degrees to center of Dec.-R.A. junction. Add 7” from Dec.-R.A. junction to top of saddle.