GM-8 Equatorial Mount

Description

These high quality mounts are perfect for your telescope and come packed with a variety of features. Including a fully locking, unique tangent arm design altitude adjustment for between 6-68 degrees, with a large knob for easy alignment. A Laser engraved latitude scale in 2 degree increments. A single knob azimuth control is bi-directional +/- 8.5 degree. 3.500” diameter with laser engraved setting circles and the 6 minute R.A. / 2 degrees DEC. R.A. circle is engraved for the Northern and Southern Hemispheres. The Dovetail saddle-plate fits both "D" Losmandy Style Dovetail or Vixen Style Dovetail. Allows for the interchanging of any tube assembly-reduces need for DEC. weights. 2.812” diameter, 7075 aluminum worm gear, 180 tooth. Dual supported, ball bearing housed ground High Precision Brass Worm. Removable stainless steel 1-1/4 inch diameter weight shaft w/safety knob. A 7 lb counterweight is included, but 11 lb and 21 lb extra counterweights are  available. Even a folding Light Weight Tripod all constructed with black anodized machined aluminum. . Tripod sits at a height that is adjustable from 27” - 43” and weighs 15lbs.

Specifications

• All machined aluminum and stainless steel, black anodized.
• All stainless steel hardware.
• One 2.100” diameter needle thrust bearing.
• One 2.000” diameter needle thrust bearing.
• Two 1.500” diameter needle bearings.
• 2.812” diameter, 7075 aluminum worm gear, 180 tooth.
• Dual supported, ball bearing housed ground High Precision Brass Worm.
• Variable slip clutch, both axes. One knob per axis design.
• Porter Slip Ring Design
• 1.250” diameter aluminum shafts.
• Through the axis polar scope mounting, works in Northern and Southern Hemisphere. Polar scope optional.
• Instrument Weight Capacity 30 LBS
• Equatorial head weight 21 lbs

DUAL-AXIS DIGITAL ELECTRONICS (S) DIGITAL

• Diamond push button pattern.
• R.A. and DEC. reversing switches.
• 160 oz/in stepper motor, 1.0 arc sec. step.
• 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.

GEMINI 2 GOTO ELECTRONICS (G) GEMINI GOTO

• Full Color Graphic Touch Screen clearly displays all functions.
• Classic four-button pattern for guiding, centering, moving and slewing on both the touch screen and tactile membrane on the rear.
• Periodic Error Correction (PEC).
• Programmable DEC. Backlash Compensation (TVC).
• Control panel dimmer, Day and Night Modes.
• Accepts auto-guider systems.
• Northern and Southern Hemisphere operation.
• Tiltable control panel for easy access.
• 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
• DC Servos for improved accuracy with higher torque than steppers
• Non-Volatile Memory and Real-Time Clock
• English, German, French & Spanish displays
• Over 40,000 objects
• USB ports; Virtual COM to PC, ASCOM or planetarium program.
• Firmware upgrade via internet
• Auto Guide Port (TTL)