Celestron CGX-L 1100 11" f/2.2 Rowe-Ackermann Schmidt GoTo EQ Astrograph

Celestron CGX-L 1100 11" f/2.2 Rowe-Ackermann Schmidt GoTo EQ Astrograph

Celestron CGX-L 1100 11" f/2.2 Rowe-Ackermann Schmidt GoTo EQ Astrograph

B&H # CE1100RASA MFR # 12078
In Stock

Product Highlights

  • 11" Rowe-Ackermann Schmidt Astrograph
  • 620mm Focal Length, f/2.2 Focal Ratio
  • StarBright XLT Optical Coating System
  • CGX-L Motorized GoTo EQ Mount
  • High-Torque Servo Motors and Belt Drive
  • NexStar+ Computer Hand Controller
  • 40,000+ Object Database
  • Guided Tours and Custom Object Filters
  • Multiple Alignment Processes
  • 2.75" Stainless Steel Tripod
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Mount Options: CGX-L GoTo EQ Mount with Tripod

CGEM II GoTo EQ Mount with Tripod

Not available with current selections

CGX GoTo EQ Mount with Tripod

Special Order

CGX-L GoTo EQ Mount with Tripod OTA Only

Aperture: 11", f/2.2

11", f/2.2 14", f/2.2

Not available with current selections

8", f/2.0

Not available with current selections

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Reg. Price: $6,649.00

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Celestron Rowe-Ackermann overview

  • 1Description

Celestron put together this CGX-L 1100 11" f/2.2 Rowe-Ackermann Schmidt GoTo EQ Astrograph kit with the combination of their fast focal ratio astrograph and their updated CGX-L motorized and computer-controlled GoTo mount.

  • 11" f/2.2 Rowe-Ackermann Schmidt Astrograph (OTA only)

    The 11" f/2.2 Rowe-Ackermann Schmidt Astrograph from Celestron is specifically designed for astrophotography and astroimaging with a large 11" aperture and fast f/2.2 focal ratio. The optical tube assembly (OTA) is being offered by itself without a mount and comes with a Celestron CGEM-style dovetail plate for use on compatible mounts and tripods. Using 4-element rare-earth optical glass lenses ensures accurate color rendition and eliminates aberrations such as coma and field curvatures. The improved StarBright XLT multi-coating system, which includes anti-reflection coatings on the lenses and highly reflective coatings on the mirrors, increases light transmission throughout the entire optical path. A 12V MagLev fan reduces cooldown time and provides optimal airflow through the optical tube while filtering harmful dust from the interior.

    The 43.3mm imaging circle is made to cover today's large DSLR and CCD imaging sensors to capture full-frame shots without vignetting, while a fast focal ratio reduces exposure times without sacrificing image quality and gives the user more time for multiple shots of the same object for layering or with different filters. A custom-designed FeatherTouch micro focus system has a 10:1 reducer with linear brass focuser bearing to enable very precise focusing to clearly resolve topographic details on the Moon or split double stars and reveal details of most other celestial objects in between. Since this OTA is designed as an imaging scope, a 42mm T-thread camera adapter and 48mm camera adapter are provided. Other adapters are available if required.

    Optical Performance
    • 11"-diameter aperture
    • 620mm focal length
    • Fast f/2.2 focal ratio
    • Proprietary StarBright XLT fully multi-coated optical system
    • 4-element rare-earth glass for true color rendition without aberrations across the entire field of view
    • 43.3mm image circle captures pinpoint stars on today's large CCD and DSLR imaging chips
    • Resolution: 0.5 arcsec (Rayleigh), 0.41 arcsec (Dawes)
    StarBright XLT Coating System
    • Multi-layer mirror coatings made from layers of aluminum, SiO2 (silicon dioxide), and TiO2 (titanium dioxide)
    • Reflectivity is flat across the light spectrum, for both astrophotography/astroimaging and visual observation
    • Multi-layer anti-reflective coatings made from layers of MgF2 (magnesium fluoride) and HfO2 (hafnium dioxide)
    • High-transmission water white glass corrector lens with 97.4% light transmission
    Focuser
    • Linear brass focuser bearing reduces image shift
    • Dual-speed 10:1 FeatherTouch micro focus knob provides precise focusing
    Construction Details
    • 42mm T-thread and M48 camera adapters included for attachment to CCD and DSLR cameras
    • Heavy duty CGEM dovetail plate
    • 12 VDC MagLev fan reduces cooldown time, provides airflow, and filters dust
    UPC: 050234910750
  • CGX-L GoTo EQ Mount with Tripod

    With an upgraded payload capacity, tripod, and internal gears, the Celestron CGX-L GoTo EQ Mount improves on their venerable CGX platform to provide users with a heavy-duty research-quality mount for larger optical tube assemblies (OTAs), accessories, and imaging rigs. Engineered to carry a 75 lb payload, and outfitted with high-torque motors and a heavy-duty belt-drive system to improve tracking stability and reduce backlash, it is able to smoothly and accurately track near- and deep-sky objects for extended periods of time.

    The Vixen/Losmandy dual dovetail saddle has also been lengthened to 10.6" to improve stability and offer greater security for larger OTAs. To provide a solid platform for the mount and your OTA, a heavy-duty stainless steel tripod is included, sporting massive 2.75"-diameter legs, an accessory tray that doubles as a stabilizer, and an adjustment range from 35.75" to 52.75". The minimum height has been lowered almost a foot versus the earlier CGX model to accommodate a wider range of users and different observation positions.

    The brain of the CGX-L is the venerable 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 200 custom user-defined objects with filters added for custom object lists. Its intuitive menu-driven user interface gives you the power to observe the heavens with nine slew speeds, three tracking rates, 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 both new users and experienced stargazers.

    Mount Head
    • German equatorial mount
    • Lower profile head design provides improved stability and portability
    • Head can be set on the tripod in three different positions to optimize the center of balance over the tripod or to provide more clearance when needed at lower latitudes
    • 75 lb payload capacity, excluding counterweights
    • 3-65° latitude adjustment range
    • 20° of additional tracking past the meridian allows for longer observation time when viewing from a rise or hill
    • Two autoguider ports provide greater cable management to avoid wire wrap
    • 10.6" (27cm) Vixen/Losmandy dovetail saddle, compatible with CG-5 and CGE bars
    • Long clutch levers make tightening and loosening of clutches easier for manual movement
    • Strong 1.25" (31.5mm) stainless steel counterweight shaft to handle additional counterweight load
    • Includes one 22 lb counterweight
    • Home sensors allow the mount to always start in the index position regardless of orientation before a power reset
    • Internal cabling reduces snags and other hazards
    • Stationary latitude knob and linkage system that reduces the amount of friction during polar alignment
    • Power input and lower accessory ports remain stationary while the mount slews to avoid snags
    • Integrated handles for easy transport and setup/breakdown
    • "Real Time Clock" keeps time and site information saved when power is disconnected
    • On/Off rocker switch with red LED
    Motors and Drives
    • Dual-axis servo motors with optical encoders for smooth tracking and quiet operation
    • High-torque motors provide smooth tracking and slewing for heavy OTAs and accessories
    • Internal belt-drive system provides smooth, vibration-free tracking while minimizing backlash
    • Spring-loaded brass worm wheel and stainless steel worm gear reduce friction and improve gear meshing
    • Limit sensors automatically shut off slewing or tracking before reaching the hard stop fail safe
    • Internal hard stops for both axes prevent cable tension and tripod strike
    • Autoguider capable for making corrections while astroimaging
    • Large 144mm-diameter worm wheels to better and more accurately drive heavier loads
    • Low-friction Teflon bearings on azimuth adjustment to make adjustments easy under full load
    • USB 2.0 port to connect directly to PC with PWI software
    • Threaded power input barrel connector eliminates accidental disconnection
    • Runs on included 12 VDC, 4A car/vehicle power supply
    NexStar+ Hand Controller
    • Features:
    • Intuitive menu-driven user interface
    • PWI telescope control software features multi-point mount modeling for extremely precise pointing accuracy
    • Nine slew speeds: 1/2x, 1x, 4x, 8x, 16x, 64x (0.3°/sec), 1.0°/sec, 2°/sec, 3°/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
    • 200 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
    • Complete Messier catalog
    • Select NGC objects
    • Functions
    • "All-Star Polar Alignment" software allows quick and precise polar alignment without extra polar alignment accessories, apps, or other assistance
    • Additional 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, 18-character LCD window with red backlighting for comfortable viewing without affecting night-adjusted vision
    • 19 function keys, backlit in red
    • Mini USB port: Connect to a computer for use with software programs for point-and-click slewing capability and updating firmware via PC
    Tripod
    • Stainless steel legs
    • Adjustable height from 35.75" to 52.75"
    • Large 2.75"-diameter leg sections provide stability and vibration reduction
    • Legs can be collapsed with accessory tray installed for faster setup and transport
    • Hand controller holster attaches with a hook-and-loop strap so it can be moved from leg to leg and avoid wire wrap
    • Accessory tray holds 1.25 and 2" eyepieces with a smartphone stand
    • Tray doubles as upper leg spreader/lock
    • Lower leg spreader provides additional stability
    • Weight: 46.2 lbs
    UPC: 050234915311
In the Box
Bundle Items
  • 42mm T-Adapter
  • 48mm Camera Adapter
  • Limited 2-Year Warranty
  • NexStar+ Hand Control (EQ)
  • CGE PRO Counterweight - 22 lb
  • CGX-L Equatorial Head
  • Stainless Steel Tripod
  • Accessory Tray
  • Counterweight Shaft
  • 8mm Allen Wrench
  • 3 x 8mm Hex-Head Screw
  • Hand Control Holster
  • 12 VDC Car/Vehicle Power Adapter
  • Limited 2-Year Warranty
Table of Contents
  • 1Description
  • 11" f/2.2 Rowe-Ackermann Schmidt Astrograph (OTA only)
    Optical Tube Assembly
    Optical Design RASA
    Aperture 280 mm / 11"
    Focal Length 620 mm
    Focal Ratio f/2.2
    Diagonal No
    Finderscope No
    Mounting System Losmandy Style
    Optical Tube Dimensions Length: 33" / 83.8 cm
    General
    Adapter 12 VDC
    Weight 43.0 lb / 19.5 kg
    Packaging Info
    Box Dimensions (LxWxH) 39.0 x 20.0 x 19.0"
  • CGX-L GoTo EQ Mount with Tripod
    Mount Type Equatorial
    Load Capacity 75.0 lb / 34.0 kg, excluding counterweight
    Motor Dual-axis servo motors
    Heavy-duty belt-drive system
    Digital optical encoders
    GoTo Capability Yes, NexStar+ hand controller
    Latitude Adjustment Range 3 - 65°
    Polar Axis Scope None
    Tripod Adjustable height from 35.75 - 52.75" / 90.8 - 134.0 cm
    Stainless steel
    Leg diameter: 2.75" / 7.0 cm
    Power Source 12 VDC, 3 A
    Weight Mount head: 52.6 lb / 23.9 kg
    Tripod: 46.2 lb / 21.0 kg
    Packaging Info
    Box Dimensions (LxWxH) 51.0 x 38.0 x 21.0"

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