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Celestron CGEM II GoTo EQ Mount with Tripod
Celestron CGEM II GoTo EQ Mount with Tripod

Celestron CGEM II GoTo EQ Mount with Tripod

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Your Price: CAD2,769.00
Retail Price:CAD2,931.55

Your Savings:CAD162.55(6%)

Usually ships in 5-7 Business Days
Part Number:91523

Choose Options or Accessories if Applicable

93664 Wedge, HD Pro (for CPC 8/9/11) (+CAD669.00)
93665 Wedge, NexStar Evolution/SE (+CAD529.00)
93493 Heavy Duty CPC 1100 Tripod (+CAD729.00)
94286 Counterweight Advanced VX - 11 lb (+CAD99.00)
94203 Counterweight CGEM - 11 lb (+CAD129.00)
94189 Counterweight CGEM - 17 lb (+CAD179.00)
94187 Counterweight CGE Pro - 22 lb (+CAD249.00)
94213 Universal Mounting Plate, CG-5 (+CAD89.00)
94214 Universal Mounting Plate, CGE (+CAD129.00)
94216 Dovetail bar (CGE), 8" (+CAD79.00)
91217 Dovetail bar (CGE), 9.25" (+CAD89.00)
94218 Dovetail bar (CGE), 14" (+CAD109.00)
94219 Dovetail bar (CGE), 11" (+CAD89.00)
94501 Dovetail Plate, Narrow - 8" (+CAD69.00)
94502 Dovetail Plate, Narrow - 9.25" (+CAD69.00)
94503 Dovetail Plate, Narrow - 11" (+CAD69.00)
94290 Dovetail Plate, Wide - 8" RASA (CGEM/CGX) (+CAD99.00)
94223 Polar Finder CG-4 (Omni Mount) (+CAD99.00)
94224 Polar Finderscope AVX / CGEM (+CAD99.00)
94239 Polar Finderscope & Bracket CGX / CGX-L (+CAD259.00)
93514 Motor Drive, AstroMaster/PowerSeeker (+CAD89.00)
93522 Motor Drive, DA for CG-4 mounts (+CAD269.00)
93973 SkyPortal WiFi Module (+CAD189.00)
93981 NexStar+ Hand Control USB, AZ (+CAD189.00)
93982 NexStar+ Hand Control USB, EQ (+CAD189.00)
93999 StarSense Hand Control USB (+CAD189.00)
93969 SkySync GPS Accessory (+CAD269.00)
94005 StarSense AutoAlign System (+CAD639.00)
94006 StarSense AutoAlign - Sky-Watcher SynScan (+CAD859.00)
93920 Cable, NexStar RS-232 (+CAD49.00)
18775 Cable, USB to RS-232 Converter (+CAD49.00)
93919 Aux Port Splitter (+CAD49.00)
93923 Cable, StarSense-to-CG5 (+CAD149.00)
93503 VSP (Vibration Suppression Pads) (+CAD109.00)

Product Highlights

  • Motorized EQ Mount, 40-lb Payload
  • High-Torque Dual-Axis Servo Motors
  • NexStar+ Computer Hand Controller
  • Dual Vixen/Losmandy Dovetail Saddle
  • 40,000-Object Database
  • Multiple Alignment Processes
  • 9 Slew and 3 Tracking Rates
  • Guided Tours and Custom Object Filters
  • Backlash Compensation and PPEC
  • 2" Stainless Steel Tripod

Celestron updates their venerable and versatile mid-level mount with the CGEM II GoTo EQ Mount. Engineered to carry a 40-pound payload and high-torque dual DC servo motors, it is able to smoothly and accurately slew and track heavier optical tube assemblies (OTAs) and rigs up to an 11" Schmidt-Cassegrain. Its Vixen/Losmandy dual dovetail saddle makes the mount compatible with most plates used today. Celestron also improves its usage by adding compatibility with their SkySync GPS unit for a higher level of precision during setup and alignment. To provide a stable platform for the mount and your OTA, a heavy-duty stainless steel tripod is included that sports large 2" legs and an accessory tray that doubles as a stabilizer.

The brain of the CGEM II is the NexStar+ computer controller. Equipped with a database of 40,000 objects, including the planets, stars, nebulae, galaxies, and the complete Messier catalog, it can also be programmed with up 100 custom user-defined objects with filters added for custom object lists. Its intuitive menu-driven user interface provides the power to observe the heavens with nine slew speeds and three tracking rates, plus anti-backlash compensation and Permanent Periodic Error Correction (PPEC) for smoother movements in the motors and improved tracking over time. Features such as guided tours, extended information on 200 popular objects, and multiple alignment options make the NexStar+ controller easy to use and invaluable to new users and experienced stargazers.

  • German equatorial mount
  • 40-pound payload capacity
  • 15-70° latitude adjustment range
  • Dual-axis low-cog DC servo motors with optical encoders for smooth tracking and quiet operation
  • High-torque motors provide smooth tracking and slewing for heavy OTAs
  • Autoguider port for making corrections while astroimaging
  • Dual Vixen/Losmandy dovetail saddle, compatible with CG-5 and CGE bars
  • Long clutch levers make tightening and loosening of clutches easier for manual movement
  • Internal cables/wires for snag-free operation
  • GPS-compatible with optional SkySync unit
  • Runs on included 12 VDC, 3.2A car/vehicle power supply
NexStar+ Hand Controller
  • Features:
  • Intuitive menu-driven user interface
  • Nine Slew Speeds: 2x, 4x, 8x, 16x, 32x, 0.3°/sec, 1.0°/sec, 2°/sec, 4°/sec
  • Multiple Tracking Rates: Sidereal, Lunar, and Solar
  • Anti-Backlash Correction: Trains out intrinsic play in gears for smoother movement and tracking
  • Permanent Periodic Error Correction (PPEC): Improves tracking precision for long-exposure astrophotography and imaging
  • Database:
  • 40,000-object database
  • 100 user-defined objects for customization
  • Filters for creating custom object lists
  • Solar system: All seven planets plus the Moon, Sun, and Pluto
  • Custom lists of all the brightest stars, double stars, variable stars, and asterisms
  • Custom lists of all the best galaxies, nebulae, and clusters as well as the complete Messier catalog and select NGC objects
  • Functions
  • Alignment options: One- or Two-star, Solar system, Quick, and Last
  • Sky Tour: Based on location, date, and time, the system shows the best objects in the sky and automatically slews to them
  • Object Info: Provides useful information about the selected object such as magnitude and constellation; includes extended information about 200 popular objects
  • Physical characteristics:
  • 2-line, 16-character LCD window with red backlighting for comfortable viewing without affecting night-adjusted vision
  • 19 function keys, backlit in red
  • Micro-USB port: Connect to a computer, for use with software programs for point-and-click slewing capability and updating firmware via PC
  • Stainless steel legs
  • Heavy-duty 2" diameter
  • Graduated markings on lower section for height repeatability
  • Accessory/eyepiece holder tray that doubles as leg spreader/lock
  • Weight: 20 pounds


Mount TypeGerman Equatorial Mount
Tripod 2” Steel tripod with graduated markings on lower section
Dovetail Mount Directly connects to both CG-5 & CGE dovetail bars
Payload Capacity 40 lbs.
Latitude Range 15º – 70º
Power Requirements 12 VDC, 3.2 amps
Ports 1x Hand control port, 1x Auxiliary Port, 1x Auto guider port, 1 USB 2.0 port (on hand control)
Motor Drive Low cog DC servo motors
Slew Speeds 9 slew speeds
Tracking Rates Sidereal, Solar and Lunar
Tracking Modes EQ North and EQ South
Alignment Procedures AutoAlign, 2-Star Align, Quick Align, 1-Star Align, Last Alignment, Solar System Align
Computerized Hand Control Double line, 16 character Liquid Crystal Display; 19 fiber optic backlit LED buttons, USB 2.0 port for PC connection
Database 40,000+ objects, 100 user defined programmable objects. Enhanced information on over 200 objects
Mount Weight 40lbs.
Tripod Weight 20lbs.
Weight of Counterweight 17lbs.
Total Weight of Mount Kit 77lbs.

In the Box

  • Celestron CGEM-II Mount
  • Adjustable, Stainless Steel Tripod
  • Accessory Tray
  • Car Battery Adapter
  • Counterbalance
  • NexRemote Controller
  • Cables
  • Software
  • RS-232 Communication Port
  • NexStar Computer Control
  • Permanent Programmable Periodic Error Correction (PPEC)
  • Servo Motors
  • Encoders

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