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Celestron CGEM II 800 Schmidt-Cassegrain telescope

Celestron CGEM II 800 telescope. Features Schmidt-Cassegrain optical tube with diameter 203 mm and focal length 2030 mm, onto CGEM II computerized equatorial mount, for celestial object autotracking.



2 103,93 €

-3%

2 169,00 €

Ordered upon request




1 260,03 €

-3%

1 299,00 €

Ordered upon request


3 363,96 €

-3%

3 468,00 €

Pack description

Celestron CGEM II 800 telescope. Features Schmidt-Cassegrain optical tube with diameter 203 mm and focal length 2030 mm, onto CGEM II computerized equatorial mount, for celestial object autotracking.

Telescope suitable for astrophotography and observations of all type celestial objects. Included eyepiece for 81x.

Pack content

OVERVIEW

WiFi iconStarSense icon

40 lbs payload capacity

Dual-fit Vixen/CG-5 and Losmandy/CGE dovetail saddle

2" steel legs with height index marks for quick leveling

USB 2.0 port on hand control for direct links to a PC via ASCOM supported software.

40,000 object database with over 100 user-definable objects and expanded information on over 200 objects

Internal cabling throughout for worry-free remote operation

Low cog DC Servo motor with integrated optical encoders offer smooth, quiet operation

Able to track past the meridian allowing seamless imaging

Permanent periodic error corrections allow users to train out the worm gears periodic errors once, while the mount retains the PEC recordings.

Software Features include: Mount Calibration, Database Filter Limits, Hibernate, five Alignment Procedures, and user-defined slew limits

Built-in polar alignment program to polar align on any star in the sky

Longer clutch levers to make tightening and loosening of clutches easier

Custom database lists of all the most famous deep-sky objects by name and catalog number

Solar System alignment method allows to view the moon and planets during the day

Permanent Programmable Periodic Error Correction (PEC) corrects periodic tracking errors inherent to all worm drives

Custom Rate 9 feature allows to set maximum slew rate

Tandem mode allows to star align the mount even when positioned for tandem scope use

RS-232 communication port on hand control to control the telescope via a personal computer

Includes NexRemote telescope control software, for advanced control of telescope via computer

Precision machined 40 mm diameter steel Polar shafts supported by multiple tapered roller bearings and ball bearings

GPS-compatible with optional SkySync GPS Accessory

DESCRIPTION

A fresh update to the venerable CGEM mount, the CGEM II has a contemporary, attractive, bold appearance and is capable of carrying Celestron’s higher-end SCT optical tubes (up to 11") securely and vibration free, which is ideal for both imaging and visual observing. Capable of holding 40 lbs. of payload and slewing at 5° per second, you will be able to instantly point to any of the celestial objects in the database.

ERGONOMIC DESIGN

CGEM II was designed to be ergonomically friendly with large Altitude and Azimuth adjustment knobs for quick and easy polar alignment adjustment. The internal RA and DEC motor wiring provides a clean look and an easy and trouble free set up.

INNOVATION

The CGEM II series features Celestron’s innovative All-Star Polar alignment procedure.  All-Star allows you to accurately polar align the mount using any star, even ig the celestial pole cannot be seen. Another great feature of the CGEM II sure to please astroimagers, is the Permanent Periodic Error Correction (PEC) which will allow users to train out the worm gears periodic errors, while the mount retains the PEC recordings.

PERFORMANCE

For objects near the Meridian (imaginary line passing from North to South), the CGEM II will track well past the Meridian for uninterrupted imaging through the most ideal part of the sky. The CGEM II mount has a robust database with over 40,000 objects, 100 user defined programmable objects and enhanced information on over 200 objects. Celestron's CGEM II mount is the perfect fit between the Advanced VX Series and CGX Series.

SPECIFICATIONS

Mount Type

German 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

40 lbs

Tripod Weight

20 lbs

Weight of Counterweight

17 lbs

Total Weight of Mount Kit

77 lbs

Celestron Schmidt-Cassegrain C8" XLT CGE optical tube (OTA) features 203 mm mirror, F/10 focal ratio. 25 mm Plössl eyepiece and 6x30 finder view included.

OVERVIEW

  • 8" Schmidt-Cassegrain Optical Tube Assembly
  • Aluminum Optical Tube
  • Celestron's premium StarBright XLT coatings
  • 2032 mm focal length (f/10)
  • 25 mm eyepiece included (81x)
  • Visual back allows for use with 1.25" accessories
  • 6x30 finderscope to help accurately find objects
  • Star diagonal provides more comfortable viewing position when observing objects that are high in the sky
  • Includes dovetail rail compatible with CGE mount

DESCRIPTION

GENERAL FEATURES

8" Schmidt-Cassegrain Optical Tube Assembly

Aluminum Optical Tube

Celestron's premium StarBright XLT coatings

2032 mm focal length (f/10)

25 mm eyepiece included (81x)

Visual back allows for use with 1.25" accessories

6x30 finderscope to help accurately find objects

Star diagonal provides more comfortable viewing position when observing objects that are high in the sky

Includes dovetail rail compatible with CGE mount

SPECIFICATIONS

Optical Design

Schmidt-Cassegrain

Aperture (mm)

203.2 mm (8 in)

Focal Length

2032 mm (80 in)

Focal Ratio

10

Focal Length of Eyepiece 1 (mm)

25 mm (0.98 in)

Magnification of Eyepiece 1

81 x

Finderscope

6x30

Star Diagonal

1.25

Optical Tube

Aluminum

Highest Useful Magnification

480 x

Lowest Useful Magnification

29 x

Limiting Stellar Magnitude

14

Resolution (Rayleigh)

0.69 arc seconds

Resolution (Dawes)

0.57 arc seconds

Light Gathering Power (Compared to human eye)

843 x

Secondary Mirror Obstruction

2.5 in (64 mm)

Secondary Mirror Obstruction by Diameter

31%

Secondary Mirror Obstruction by Area

9.77%

Optical Coatings

StarBright XLT

Optical Tube Length

17 in (432 mm)

Optical Tube Weight

12.5 lbs (5.67 kg)

Dovetail Compatibility

CGE Mount