CGE PRO 1400 HD Computerized Telescope

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The CGE Pro 1400 HD combines Celestron's state of the art CGE Pro Computerized Equatorial mount with its new EdgeHD optical system.  With more than 60% more light gathering power than the 11" telescope, this observatory-class instrument is Celestron’s largest optical system in its class.

Featuring our premium StarBright XLT coatings, this telescope is especially at home as a solid platform for long exposure photography with optional CCD cameras or photographic equipment; it is a serious scientific research tool.  German Equatorial mounts are recognized as being the superior choice for astrophotography because of their rock solid stability, simple balancing and easy accessibility for attaching equipment.  With sophisticated software features like the Hibernate function, the CGE Pro can maintain its star alignment night after night without needing to be re-aligned, making it an ideal instrument for a permanent observatory facility.

New Optical Design

The EdgeHD optical system takes all of the compact power popularized by the Schmidt Cassegrain Telescope (SCT) and combines it with an improved high definition optical system for wide field, astrograph quality images.

As a visual instrument, EdgeHD optics deliver pinpoint images even with your widest field eyepiece.  You can search for all of the Messier Catalog objects, and see hundreds of other equally interesting NGC, IC and Caldwell objects with amazing clarity.  For astroimaging, the EdgeHD optics produce aberration-free images across your favorite CCD or DSLR camera.  All EdgeHD optics are designed to produce an extremely flat focal plane precise enough to match the strict tolerances of the largest commercial CCD detectors, allowing all stars to be in tight focus to the very edge of the chip.

EdgeHD Whitepaper

The Celestron Product Development team has released a whitepaper outlining the technology behind EdgeHD. This paper describes the development goals, design decisions, optical performance, and their practical realization in 8-, 9.25-, 11-, and 14-inch apertures. We include cross-sections of the EdgeHD series, comparative spot diagrams for the EdgeHD and competing “coma-free” Schmidt-Cassegrain designs, a table with specifications for visual and imaging, graphics showing how to place sensors at the optimum back-focus distance, and details on the construction and testing of the EdgeHD telescope series.

Celestron EdgeHD Optics Whitepaper
Click here to download the whitepaper.

Diffraction Limited

Some companies boast that their telescopes give diffraction limited stars in the very center of the field of view. EdgeHD optics not only produce diffraction limited stars on axis, but maintain diffraction limited stars across the entire field of view of many of the most popular astrophotography cameras.  Even at the very edge of a full frame camera chip, the EdgeHD 14" delivers star sizes of only 1 arc second!

The EdgeHD 14" optics produce a focal plane three-times flatter than the standard equivalent SCT telescope with diffraction limited stars to the very edge of the SBIG STL6303 field of view!

EdgeHD Comparison

Along with the newly designed optics, the EdgeHD also has re-designed mechanics guaranteed to help you get the maximum performance from your instrument.

Features Include:

Mirror Locks – To hold the mirror in place and reduce image shift during imaging.

Tube Vents - Each vent has an integrated 60 micron micro-mesh filter allowing hot air to be released from behind the primary mirror.

Fastar Versatility – All EdgeHD optical tubes are equipped with a removable secondary mirror for fast f/2 CCD imaging.  Not only does imaging in the FASTAR configuration allow for exposure times that are 25 times faster than at f/10, but also yields a field of view five times wider.  The perfect combination for imaging your favorite wide field objects in a fraction of the time.  (FASTAR imaging requires a third party lens assembly in place of the secondary mirror).

Axiom Eyepiece - EdgeHD 14" optical tubes come with Celestron's top of the line Axiom eyepiece. With a 23 mm focal length and 82° AFOV, you get an incredible combination of power and wide field of view.  Plus each Axiom eyepiece is optimized to deliver pinpoint images when used with a flat field telescope.

Learn more about the benefits and features of this new optical system by going to the EdgeHD web page.

CGE PRO Mount

In addition to being fully computerized with a database of over 40,000 celestial objects, the CGE Pro German Equatorial mount has been completely redesigned to offer numerous design advantages:

  • Increased Payload Capacity - With a maximum payload of 90 lbs, the CGE Pro mount is able to hold the 14" telescope more securely even when fully loaded with all your imaging gear.
  • All-Star Polar Alignment - Choose any bright alignment star for a software assisted alignment of the mount's polar axis that will have you ready for imaging even if you can't see the North Star.
  • No-Tool Polar Alignment - Larger hand knobs for both Altitude and Azimuth adjustments.
  • Meridian Tracking - Extended tracking past the Meridian of up to 20 degrees of uninterrupted imaging through the best part of the sky.
  • Faster Slew Speed - Improved gearing and motors provide faster slew speeds than ever before with a maximum slew rate of over 5°/per second.
  • Accuracy - The hallmark of any telescope mount is its ability to find, center and track celestial objects with the highest degree of accuracy.
  • Pointing - With just a standard hand control alignment, CGE Pro has the ability to center a star in your eyepiece or CCD chip to within 5 arc minutes.  Using NexStar's advanced pointing features such as Calibration Stars, Sync and Precise GoTo, further improves the pointing accuracy to as low as 1 arc minute in the desired region of the sky.
  • Tracking - With larger .75" pitch diameter worm, precision made cut-steel gears in gearboxes, and seven slot skewed armature motors, the CGE Pro delivers smooth  +/- 5 arc second tracking accuracy typical unguided periodic error, which can be further reduced with PPEC
  • Mount Calibration - Celestron's NexStar hand control has built-in compensation features essential for accurately placing small objects on the center of your CCD chip or high power eyepiece.  Aligning on multiple Calibration Stars creates a model of the opto-mechanical inaccuracies inherent in all equatorial mounts.  This model is stored within the hand control and is used to compensate for these inaccuracies, thus improving your pointing precision each time you slew your telescope. 

CGE PRO Tracking Data

The following graphs display R.A. worm gear tracking accuracy of the CGE Pro Equatorial mount in 4 conditions: Figure 1 – Raw unguided tracking that isolates the periodic error; Figure 2 – Tracking with Permanent Periodic Error Correction (PPEC) enabled; Figure 3 – Guided tracking with an autoguider; and Figure 4 – Guided tracking with an autoguider and PPEC enabled. Data was acquired from Celestron’s engineering team using an EdgeHD 800 optical tube and NexImage camera at f/10. This data represents the typical performance of a CGE Pro under average seeing conditions from urban skies in Torrance, CA.  Figure 2 has a cubic fit applied to the graph, and Figures 1, 3 and 4 have linear drift removed (to better show repeatable error).  All Figures show 22 minutes of tracking, which covers 4 full rotations of the CGE Pro R.A. worm gear.

CGE PRO Tracking Graph 1

Figure 1. This graph displays the R.A. worm gear tracking accuracy for a typical CGE Pro equatorial mount. The graph shows 4 periods of the worm gear which yields about +/-7 arc seconds of periodic error. The minimal periodic error is both very predictable and gradual, allowing short unguided images to be taken, or much longer exposures with extremely accurate tracking when used with an autoguider.

For more information about Celestron's new mount, go to the CGE Pro mount web page.

General Features

  • 14" EdgeHD Optics
  • Celestron premium StarBright XLT coatings
  • CGE PRO computerized Equatorial mount
  • Heavy Duty stainless steel tripod adjustable from 38 - 55
  • 9x50 finderscope with quick release bracket to help accurately find objects
  • 2" Star diagonal provides more comfortable viewing position when observing objects that are high in the sky

HD Features

  • New aplanatic Schmidt telescope design produces aberration-free images across a wide field of view
  • Mirror tension locks hold the primary mirror in place and reduce image shift
  • Cooling vents allow hot air to be released from behind the primary mirror
  • Fastar compatible for fast f/2 imaging

Computerized Mount Features

  • Proven NexStar computer control technology
  • 40,000 object database with over 100 user-definable objects and expanded information on over 200 objects
  • New All-Star Polar Alignment routine for both Northern and Southern Hemispheres
  • Software Features include: Database Filter Limits, Hibernate, five alignment methods and user-defined slew limits
  • Custom Rate 9 feature allows you set maximum slew rate
  • Tandem mode allows you to star align the mount even when positioned for tandem scope use
  • Flash upgradeable hand control software and motor control units for downloading product updates over the Internet
  • Custom database lists of all the most famous deep-sky objects by name and catalog number; the most beautiful double, triple and quadruple stars; variable stars; solar system objects and asterisms
  • Double line, 16-character Liquid Crystal Display Hand Control with backlit LED buttons for easy operation of goto features
  • 12 VDC Servo Motors with integrated optical encoders
  • Permanent Programmable Periodic Error Correction (PEC) - corrects for periodic tracking errors inherent to all worm drives
  • Drive Motors - High quality motors with seven slot skewed armature to minimize magnetic cogging for quiet operation and long life. Precision made cut-steel gears in gearbox for improved tracking precision
  • Bearing and Shaft - Main shafts are made from 1.57" diameter steel tubing with .40" wall thickness with two preloaded 2.68" O.D. tapered roller bearings on each axes
  • Precision worm drive system - .75
  • Spring loaded DEC worm to minimize backlash and make guiding easy
  • 4 point RA and DEC clutch system for no-slip pointing precision
  • Autoguide port, PC port and Auxiliary ports located on the electronic pier for long exposure astrophotography
  • Latitude range: 10° to 65° Northern or Southern Hemispheres
  • RS-232 communication port on hand control to control the telescope via a personal computer
  • Includes NexRemote telescope control software, for advanced control of your telescope via computer
  • GPS-compatible with optional SkySync GPS Accessory (93969)

Downloads


Manuals
EdgeHD Optics Manual ( PDF)
CGE Pro Series Manual ( PDF)

Product Info Sheets
EdgeHD Optics Info Sheet ( PDF)

Reference Materials
Astronomy Basics (English, French, German, Italian, Spanish) ( PDF)
Celestron EdgeHD Optics Whitepaper ( PDF)
Telescope Basics (English, French, German, Italian, Spanish) ( PDF)
Telescope Maintenance (English, French, German, Italian, Spanish) ( PDF)
Celestial Observing (English, French, German, Italian, Spanish) ( PDF)

Software
NexRemote v. 1.7.22 ( ZIP)
Motor Control Firmware Updates v.2.2.5 ( ZIP)
Hand Control Firmware Updates v.1.1.14 ( ZIP)
PEC Tool v.1.0.18 ( ZIP)

Knowledge Base


Will I be able to use my standard Celestron f/6.3 reducer/corrector with an EdgeHD?

Will I be able to use my standard Celestron SCT T-adapter 93633-A to attach my SLR camera to the EdgeHD?

How do my EdgeHD mirror support knob flexible tension clutches work? Will they interfere with focusing my scope?

What is the optimized image circle for the EdgeHD optical tube assembly (OTA)?

I want to use a binoviewer with my EdgeHD optical tube (OTA). What is its back focus distance?

My Schmidt-Cassegrain cooling fan needs an open baffle tube to work. .How can I cool my EdgeHD optical tube (OTA) since there is now a lens assembly in the baffle tube?

I want to use my CGE or CGE Pro mount with Software Bisque’s TPoint. How do I do this?

What is the operating temperature range for Celestron telescopes?

What is a quick summary of how to do All-Star polar alignment with CGEM, CGEM DX, CGE, CGE Pro and Advanced VX and Advanced GT Series mounts?

How do you stop a GoTo slew in progress? Is there a better way than turning off power or pulling the power plug?

Is there a way to run Celestron’s Window-based drivers and software on Macs?

The alignment pin in my new Fastar-equipped SCT is at the 11 o'clock position. Isn't it supposed to be at the 3 o'clock position as viewed from in front of the telescope?

How do I collimate the EdgeHD?

How do I use a third party periodic error correction (PEC) program like PEMPro with my Celestron mount?

My Celestron mount is making a high pitched whine or hum even when it’s not moving. Is this a problem?

How can I get Celestron software to run on my Windows 7 computer?

What are Fastar and HyperStar? How do they work?

What is the timetable for shipments on the EdgeHD? What about accessories like the focal reducer?

My EdgeHD optical tube assembly (OTA) has four small tapped holes along the front rim. What are they for?

How do I mount my finderscope bracket on the EdgeHD 800/925/1100/1400 optical tube assembly (OTA)?

Is the Deluxe Tele-Extender #93643 compatible with my EdgeHD?

I have a small-chip CCD camera or APS-C format DSLR or webcam with an adapter that isn’t made for the EdgeHD. What problems will I have with image quality using this system since it’s not the optimum spacing size?

Is there vignetting with the EdgeHD optics and reducers on a full-frame image sensor?

I have a Celestron GoTo telescope, a Mac, and an autoguider. I want to autoguide with the telescope. Is your autoguider port Mac-compatible?

Why is the autoguiding port diagram in my telescope's manual different than the diagram for the NexGuide connection?

I’m experiencing motion in RA east after slews with my Celestron German GoTo mount. Is this backlash, and how do I correct it?

When should I use the Calibrate Mount utility? What does it do?

Where can I download the unified ASCOM drivers for Celestron scopes?

What is the size of the threading holding the visual back to my Schmidt-Cassegrain telescope? Is it the same for all Celestron SCTs?

My NexStar hand control displays “Offset Too Large” when I’m trying to change my scope’s alignment. What does this mean? How do I fix the issue?

What is the threading on the outside of my Celestron GoTo mount’s power jack?

The hand control of my new scope shows the message “Bootloader invalid package 0080” or “Bootloader invalid package 0002”. How can I fix this and make the mount work?

What are the instructions for getting my CN-16 or SkySync GPS to work with my Celestron GoTo mount?

Where can I get information on the RS-232 (serial) commands for NexStar controlled telescopes?

Can the CGEM DX/CGE Pro tripod be folded with the accessory tray attached?

I have two scopes I want to use side-by-side or tandem with my Celestron CGE – CGE Pro – CGEM – Advanced GT mount. Can I do that?

What battery type is used in the CGE Pro mount for the real-time clock (RTC)?

What is the correct value for the tracking error of the CGE Pro mount?

Are there additional specifications for the CGE Pro Mount?

How can I use the CGE Pro at low latitudes?

I’m using my CGE Pro with PECTool and doing a Seek Index command. The mount can’t find my worm index. What is causing this?

What are the power requirements for the CGE Pro mount?

My CGE Pro mount is moving in the wrong direction when I use the direction arrows. What is wrong? How can I change the direction of the direction buttons?

How can I adjust the CGE Pro for latitudes higher than 42 degrees?
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