Meade LX850 GoTo EQ Mount with StarLock Autoguider

Meade LX850 GoTo EQ Mount with StarLock Autoguider

Meade LX850 GoTo EQ Mount with StarLock Autoguider

B&H # MELX850EMK MFR # 37-0850-00
Meade LX850 GoTo EQ Mount with StarLock Autoguider

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Product Highlights

  • Motorized Computer-Controlled EQ Mount
  • Dual-Axis Stepper Motors with Encoders
  • StarLock Automatic Guider and Tracking
  • AutoStar II Computer Hand Controller
  • Assisted Alignment and GoTo Capability
  • 144,000+ Object Database
  • PPEC and Anti-Backlash Compensation
  • Losmandy/Vixen Dovetail Saddle
  • 3" Heavy-Duty Steel Adjustable Tripod
  • 90 lb Payload Capacity
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Meade LX850 overview

  • 1Description

Meade Instrument's LX850 GoTo EQ Mount with StarLock Autoguider delivers near-research-grade performance for advanced amateur astronomers who require precision tracking and autoguiding for long-term observation and long-exposure astrophotography. This rig starts with the motorized German equatorial mount made of steel and anodized 6061 aluminum that employs DC servo stepper motors on both axes to precisely track objects with virtually no vibrations. With a payload capacity of up to 90 lb, the mount can easily handle large optical tube assemblies (OTAs) with accessories like photo or imaging cameras, filter wheels, or electric focusers. Adding to the mount's versatility is a unique saddle system that can be converted from Vixen to Losmandy styles to accept most user-supplied OTAs.

The brain of the LX850 is the AutoStar II computer controller. This handheld unit is a 144,000+ database with multiple alignment procedures, nine slew speeds, automatic and manual tracking rates, and the ability (when properly aligned) to identify objects that the user directs the telescope to. The database also has an index of events such as sunrise/sunset, Moon phases, meteor showers, lunar and solar eclipses, plus the Autumnal/Vernal equinoxes and winter/summer solstices. Permanent Periodic Error Correction (PPEC) and anti-backlash compensation are also programmed through the controller for increased tracking precision. Complementing the AutoStar is the StarLock system. This 80mm refractor is equipped with wide and narrow imaging cameras that read the star field and communicate directly with the controller for improved GoTo, alignment, and tracking to a precision of as much as 0.1 arcsecond.

Supporting the mount, StarLock, and the user's OTA is a heavy-duty stainless steel tripod. Its over-sized 3" legs provide a solid observational platform with an adjustable height of 29-45". A spreader bar and tension knob lock the legs for increased strength and stability, and anti-vibration pads are included for each of the three legs to stand on for virtual vibration-free viewing.

  • Motorized German equatorial mount
  • Payload capacity: 90lb (40.8kg)
  • OTA mounting system: Dual Vixen- and Losmandy-style dovetail saddles
  • Latitude range: 10-70°
  • Smart Mount: Allows the mount to identify and correct systematic pointing errors
  • Internal GPS receiver
  • RA and dec "home" position sensors
  • Anodized 6061-T6 aluminum and stainless steel
  • Internal cabling reduces snag hazards that can damage wires and mount
  • Internal clock
  • Counterweight shaft: 1.75" diameter, 12" long threaded stainless steel
  • Counterweight: 26 lb (11.8kg)
  • Mount body weight: 60 lb (27.2kg)
  • Gears and motors:
    • Dual-axis DC servo motors with encoders
    • RA & dec main gear: Aluminum, 5.8" (14.7cm) under cut / 225 tooth
    • RA & dec worm gear: 0.68" (17.3mm) diameter machined brass
  • Control Panel:
    • 12 VDC In
    • 12 VDC Out
    • Power
    • Focuser
    • Reticle
    • Handbox port
    • One RS232 computer connection port
    • One StarLock port
    • One Aux guide port
  • Provides automatic target acquisition and guiding
  • 80mm f/5 refractor with integrated imaging system
  • Requires no calibration, no user focusing or guide star selection
  • Provides computer-assisted polar alignment using the drift method for extreme precision
  • Wide-field camera:
    • 25x26mm
    • f/1.04 optic
    • 1/2-inch format sensor
    • Field of view: 14.72x11.78°
  • Narrow-field camera:
    • 80x400mm
    • f/5 optic
    • 1/2-inch format sensor
    • Field of view: 57.2x45.8 arcmin / 2.68 arcsec/pixel
  • Pointing: ± 1 arcmin
  • Guiding: ±1 arcsecond, up to 4 second correction update rate depending on star magnitude. Faintest guide star 11th mag
  • Alignment: Semi-automatic drift align procedure for ultra-precise polar alignment
  • Power supply: 12 VDC 5A
  • Weight: 2.9 lbs (1.3 kg)
AutoStar II Hand Controller
  • Interfaces directly with StarLock system for improved accuracy of entire system
  • Intuitive user-friendly menu-driven system
  • 144,000+ object database
  • Customized user-defined objects
  • "Identify" feature allows users to go to an object and the AutoStar will display what it is
  • Event menu provides access to dates and times of astronomical events
    • Sunrise, Sun transit, and sunset
    • Moonrise, Moon transit, and moonset
    • Moon phases
    • Meteor showers
    • Lunar and solar eclipse
    • Minimum of Algol
    • Autumn and Vernal Equinox
    • Winter and Summer Solstice
  • 2-line, 16-character LCD; 20 backlit LED buttons
  • Slew speed: 1x, 2x, 8x, 16x, 64x sidereal, and 0.25°/sec, 0.5°/sec, 1°/sec, and 3°/sec
  • Tracking rates: .01x - 1x, 2x, 8x, 16x, 1/4°, 1/2°, 1°, 3°, Sidereal, Lunar, 2000 custom-selected rates
  • Tracking modes: Northern and Southern Hemispheres
  • Alignment procedures: 2-Star Align, 1-Star Polar Align, StarLock-assisted drift align, Easy Alignment, and Align on Home
  • Tracking distance past meridian: 20°
  • Smart Drive: Permanent Periodic Error Correction (PPEC) enables users to program out inherent tracking inaccuracies for higher precision over long time periods
  • Anti-backlash compensation: Program out backlash inherent in all gear systems
  • Update firmware via Internet download directly to controller
  • Included catalogs:
    • Index catalog: 5386
    • NGC catalog: 7840
    • Partial Caldwell catalog: 109
    • Messier catalog: 110
    • Earth-orbiting satellites: 26
    • Planets: 9
    • Uppsala galaxy catalog: 12,940
    • Morphological catalog of galaxies: 12,939
    • General catalog of variable stars: 29,364
    • SAO and Hipparcos star catalogs: 42,277
    • Draper star catalog: 21,160
    • Yale bright star catalog: 8977
    • Large Bright Quasars Survey: 1055
    • Named objects: 4313
    • Herschel catalog: 400
    • Abell catalog of galaxy clusters: 2712
    • Arp catalog of irregular galaxies: 635
    • Lunar features: 1754
    • Asteroids and comets: 120
    • Constellations: 88
    • Solar/lunar eclipses, meteor showers: 492
  • Folding adjustable height
  • 3" diameter aluminum legs
  • Height adjustable of 29-45"
  • Spreader bar to rigidly hold legs open
  • Tension knob locks spreader against legs for reduced vibrations and increased steadiness
  • Includes anti-vibration pads to further reduce vibrations for steadier images
  • Weight: 36 lb
UPC: 709942600605
In the Box
Meade LX850 GoTo EQ Mount with StarLock Autoguider
  • StarLock Optical Tube and Sensor Assembly
  • 26 lb Stainless Steel Counterweight for LX850 Telescope
  • Counterweight Shaft with Safety Nut
  • LX850 Field Tripod
  • Autostar II Hand Controller
  • StarLock Cable
  • StarLock Counterweight
  • Custom Utility Tool
  • 5/16" Hex Head Wrench
  • DVD with AutoStar Suite and Software
  • #507 Connecting Cable with USB Adapter
  • Internal Cable Fish Tool
  • 3 x Anti-Vibration Pad
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Meade LX850 specs

    Mount Type German Equatorial
    Load Capacity 90.0 lb / 40.8 kg
    Motor Dual-axis DC servo motors with encoders
    GO-TO Capability AutoStar II GoTo hand controller
    Latitude Range 10 - 70°
    Polar Axis Scope None
    GPS Built-in
    Mounting Dual Vixen and Losmandy-style saddle
    Includes Tripod/Pier Folding adjustable height tripod
    3.0" / 7.6 cm diameter aluminum legs
    Adjustable-height from 29.0 - 4.05" / 73.7 - 114.3
    Weight: 36 lb / 16.3 kg
    Power Source 12 VDC
    Weight Starlock: 2.9 lb (1.3 kg)
    Packaging Info
    Package Weight 310.0 lb
    Box Dimensions (LxWxH) 49.5 x 44.0 x 42.5"

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