LOSMANDY MODEL HGM 200 GERMAN EQUATORIAL MOUNT

Features of the Model HGM 200 Mount

• All machined mountings made from stainless steel and aluminum bar stock
• Equatorial Mount Head Mass is 84 lbs. but can be quickly disassembled into two components of 42 lbs. each; and no tools are necessary!
• Rated payload capacity of 150 lbs.
• Right Ascension Worm Gear is 9.000" Diameter, of 7075 Aluminum, with Heat Treated and Precision Ground Stainless Steel Worm Dual Supported by Ball Bearings assuring +/-5 Arc Second Tracking.
• Declination Worm Gear is 9.000" Diameter, of 7075 Aluminum, with Heat Treated and Precision Ground Stainless Steel Worm Dual Supported by Ball Bearings
• Removable counterweight shaft, 1.500" diameter
• Altitude and azimuth fine positioning adjustments for quickly and accurately zeroing in on the Celestial pole in the field
• Altitude and azimuth bubble levels, with laser engraved latitude scale
• Built in optical encoders on both axes; 8192 step high resolution
• Include proven, advanced Losmandy Dual Axis Drive controller system
• Three 21 lb. counterweights are provided
• Semi-Pier Tripod of machined aluminum with removable legs for easy transport

SPECIFICATIONS OF HGM200 MOUNT SYSTEM
R.A. Gear Wheel:	9.000", 360 tooth 7075 T35 aluminum
DEC. Gear Wheel:	5.625", 360 tooth 7075 T35 aluminum
DEC. and R.A. Worm gear:	440C Stainless (54 Rockwell hardness)
Worm gear support:	Dual supported ball bearings
Worm gear coupling:	Spur Gears
Laser Engraved Setting Circles:	R.A> Porter Slip Ring design, 7" DEC. and R.A.>,
Right ascension resolution:	1 minute increments, pointer
Declination circle resolution:	1/4 degree increments, pointer
R.A. Axis Needle Thrust Bearings:	5.062S, 2.280", and 3.500" Tapered Roller
DEC. Axis Needle Thrust Bearings:	5.062", 2.280", and 3.500" Tapered Roller
DEC. and R.A. Clutches:	Slip clutch, variable friction, one knob ea. axis
Latitude Tangent Arm range:	12 - 70 degrees, lower latitude pier and 90 Deg. Model available
Azimuth adjustment range:	+-10 degrees
Dovetail Saddle Plate:	1.00 x 7.00 x 16.00" Split Saddle
Mass of Equatorial Mount Head	Approximately 84 lbs.
Mass of Field Tripod	approximately 30 lbs.
Semi-Pier Tripod Height	30, 36, 48 or 60" Standard
Load Capacity:	Approximately 150 lbs.

The HGM200 is generally sold with the Losmandy Model 492 Control System described below. The mount can be retrofitted with the Losmandy Gemini Got To Computer Control System.

SPECIFICATIONS OF MODEL 492 DIGITAL DUAL AXIS ELECTRONICS (Optional for GM-8)
Power Requirements:	12 Volt D.C., 500 MA
R.A. and DEC. Geared Motors:	140 oz./in Hurst, stepper, 0.50 arc sec. step
Hand Control:	Diamond Pattern Push Button Switches, DEC. & R.A. Reversing,
Quartz Tracking Rates:	Sidereal, Lunar, Solar, King
Fine Movement Rates:	4x, 8x, 16x Sidereal
Photo-Guide Setting Rates:	+-30%, 50%, and 2x Sidereal
R.A. Drive Gear Correction:	user programmable Periodic Error Control
DEC. Drive Backlash Correction:	user programmable Time Variable Correction
North/South Hemisphere Operation	selectable by user
Miscellaneous:	Compatible with our SBIG CCD Star Tracker & Imaging CCD Systems such as our SBIG Model ST-4

POPULAR AVAILABLE OPTIONS FOR THE MOUNT