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Celestron CGX-L Equatorial 1100 Rowe-Ackermann Schmidt Astrograph Telescope
Celestron CGX-L Equatorial 1100 Rowe-Ackermann Schmidt Astrograph Telescope

Celestron CGX-L Equatorial 1100 Rowe-Ackermann Schmidt Astrograph Telescope

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Your Price: CAD $8,100.00
Retail Price:CAD $8,569.00

Your Savings:CAD $469.00(5%)

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Part Number:12078

Choose Options or Accessories if Applicable

Imaging Cameras/Autoguider
Astromaster Accessory Kits
Camera Adapters and Imaging Accessories
1.25" Observers Accessory Kit
Barlow Lenses
Eyepiece and Filter Kits
Filters

Celestron put together this CGX Equatorial 1100 Rowe-Ackermann Schmidt Astrograph Telescope 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 Telescope (OTA only)

The 11" f/2.2 Rowe-Ackermann Schmidt Astrograph Telescope from Celestron is specifically designed for astrophotography and astroimaging with a large 11" aperture and fast f/2.2 focal ratio. The 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 elimnates 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 with 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 enables 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 multicoated 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 arc sec (Rayleigh), 0.41 arc sec (Dawes)
StarBright XLT Coating System
  • Multi-layer mirror coatings made from layers of aluminum, SiO2 (quartz), TiO2 (titanium dioxide), and Si02 (silicon 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
  • 12VDC MagLev fan reduces cool-down time, provides airflow, and filters dust

11" f/2.2 Rowe-Ackermann Schmidt Astrograph Telescope (OTA only)
Optical Design Rowe-Ackermann Schmidt
Aperture 11.0" / 27.9 cm
Focal Length 620mm
Focal Ratio f/2.2
Back Focus 2.2" / 5.5 cm, from front lens assembly
Eyepiece Barrel Diameter N/A
Diagonal None
Finderscope None
Tripod None
Mount Type CGEM dovetail plate
Power Requirement 12 VDC for fan operation
Length 33.0" / 83.8 cm
Weight 43.0 lb / 19.5 kg

Packaging Info
Box Dimensions (LxWxH) 39.0 x 20.0 x 19.0"

Celestron CGX-L GoTo German Equatorial Mount

The Celestron CGX-L Computerized Equatorial Mount is the extra heavy-duty version of the innovative, accurate, and stable CGX! The CGX-L has been designed with an even better load capacity to weight ratio, and is capable of handling an OTA and other astronomical equipment weighing a total of 75 pounds. The CGX tripod is amazingly stable! It has a wider stance to handle increased loads, and has huge 2.75” diameter stainless steel legs to support the CGX-L mount and your choice of telescope. Together, the CGXL mount and CGX-L tripod provide a rock-solid platform for visual astronomers and astro-imagers alike!

Features of the CGX-L Mount

  • The CGX-L has larger, 144 mm diameter worm wheels to handle heavier loads and drive them accurately. The worm wheel is made of brass and is spring-loaded, and together with the stainless steel worm gear, they provide excellent gear mesh and reduce friction, creating a buttery smooth belt drive system.
  • The right ascension and declination motors used on the Celestron CGX-L have more torque for improved tracking and slewing under load. Working together with the belt drive system, you’ll experience minimal backlash and worry-free operation. You can even watch the pulleys and belts working through the motor cover windows!
  • Celestron has increased the number of auxiliary ports to four (4), and has even added an additional autoguider port so that you have maximum flexibility when it comes to electronic accessories. Two of the AUX ports and an Autoguider port are built in just below the dovetail saddle, making it easy to plug in extra accessories like the StarSense or WiFi module and not worry about the cord causing a problem as the mount moves. Speaking of cabling, those required to run the mount are run internally, so even if you are running your CGX-L remotely, you don’t have to worry about cable snags.
  • Mechanical hard stops and limit sensors on both axes protect the Celestron CGX-L from hitting the tripod or causing undue stress on the cables. Built-in limit sensors will actually stop the mount from slewing or tracking further before the CGX-L reaches the hard stop fail safe.
  • Home sensors are built into the CGX-L mount, making it a great choice for remote use. Now you can always start your mount from the same index position, regardless of where it was pointed when the mount was last used.
  • Celestron’s PWI software was co-designed by Planewave Instruments, a company famous for their professional-level telescopes and mounts. One of the features of this software is multi-point mount modeling, which is normally only included with mounts costing thousands more. Multi-point mount modeling allows you to increase the pointing accuracy of the CGX-L mount. The software also includes plate solving and focus support.
  • With all the features of the CGX-L, it is easy for overlook the fact that this is a computerized mount. The Celestron NexStar + hand controller is your interface with the CGX-L mount. It has a celestial database of 40,000 objects, and has fun features such as a automated tour of the best objects up on the date and time you are observing! The backlit buttons are intuitive and easy to use in the dark, and a new USB port on the end of the controller means you won't need an RS232-to-USB adapter.
  • The CGX-L has redesigned and ergonomic adjustment knobs throughout. These knobs are large and easy to turn due to reduced friction, even under heavy loads.
  • With the CGX-L, you don’t need a separate finder, application, or other alignment accessories to do an accurate polar alignment. Software Polar Align is a feature that allows you to do an “All-Star Polar Alignment” on any bright star quickly and accurately. If you would like to use a polar scope to align in the classic manner, Celestron has designed one specifically for the CGX or CGX-L Mount. See the recommended accessories for a link to the product.
  • Dual Dovetail Saddle with extra length. The beefy dovetail saddle on the CGX-L is the ultimate in flexibility. It is 270 mm (almost 11”) long, and accepts either a Vixen-style (CG-5) dovetail plate or the wider Losmandy-style (CGE) plate. This means you can mount just about any telescope on the CGX-L quickly and easily, making it a very flexible mount.
  • Now let’s talk about the CGX-L’s excellent load capacity to mount weight ratio. The weight capacity of the CGX-L is 75 pounds, however, the mount head only weighs an amazing 52.6 pounds. While not light as a feather, that means this very capable equatorial mount is still considered portable. Celestron has created a very ergonomic design that makes it easier to carry and set up. There are handles built in so you can carry close to your body (see extra images for an example).
  • The CGX-L Tripod has been completely redesigned to handle the extra capacity of the CGX-L mount. It’s large 2.75” diameter legs spread wider than usual for added stability, and the height is adjustable from 35.75” to 52.75”. A heavy-duty accessory tray holds three 1.25” eyepieces, two 2” eyepieces, and even has a shelf built in to hold your smartphone or tablet in an upright position! It can stay in place even when the tripod is collapsed, making it much easier to set up, break down, and store your tripod.
  • The Celestron CGXL comes with a larger 31.5mm diameter counterweight shaft to support the required counterweights needed to balance your OTA and accessories. The mount comes with one 22-lb. counterweight, and of course more are available separately. You will also receive a Celestron DC Power Cable to run the mount. It plugs into a cigarette lighter socket, which means you can run the CGX-L from your car battery, or you can use a portable DC battery like the Celestron PowerTank Lithium (sold separately). An AC Adapter is also available should you prefer to run your mount from household current.
  • Celestron CGX-L Mount Specifications

    • Mount Type: German Equatorial
    • Instrument load capacity: 75 lb.
    • Tripod height adjustment range: 35.75” to 52.75”
    • Tripod leg diameter: 2.75”
    • Accessory Tray: Holds five eyepieces, with Smartphone/Tablet stand
    • Latitude adjustment range: 3 - 65 degrees
    • Tripod Weight: 46.2 lb.
    • EQ Head Weight: 52.6 lb.
    • Max Slew Speed: 4 degrees per second
    • Tracking Rates: Sidereal, Solar and Lunar
    • Number of Aux ports: 4
    • Autoguide ports: 2
    • USB Port: Yes
    • LED Light: Yes, includes Red LED light toggle switch
    • Clock: Internal Real Time Clock to keep time and site info
    • Software: PWI Software
    • WiFi: Supports SkyPortal & StarSense (sold separately)
    • Dovetail Saddle Length: 270 mm (10.63”)
    • Dovetail Saddle: Dual Fit (Vixen/Losmandy)
    • Worm Wheel Diameter: 144 mm
    • Hand Control: NexStar + with USB Port
    • Object Database: 40,000
    • PEC: Yes, and PPEC Ready

    For more information on the Celestron CGX-L Equatorial Mount, take a look at this You Tube video in which Celestron product engineer, Bryan Cogdell, goes over its many features:

In the Box
Bundle Items
11" f/2.2 Rowe-Ackermann Schmidt Astrograph Telescope (OTA only)
  • 42mm T-Adapter
  • 48mm Camera Adapter
  • Limited Two-Year Warranty
CGX-L GoTo EQ Mount with Tripod


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