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Manufacturers:  Celestrondelete

Series:  CGXdelete

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Celestron CGX Header

The CGX series of telescopes are equipped with Celestron’s most modern mounts. Weighing 25 kilograms, it easily carries Schmidt-Cassegrain optics up to 11 inches together with any conceivable astrophotography accessories. Thanks to its clever design, this mount is still amazingly easy to use.

The CGX is equipped with a toothed belt drive which ensures smooth running with minimal backlash. Celestron has also improved the motors and equipped them with more torque.

In combination with the compact Schmidt-Cassegrain optics, a CGX telescope is an all-rounder for discerning users, which leaves nothing to be desired!

Products 1 - 8 of 8
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Products 1 - 8 of 8
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Optic

StarBright XLT

StarBright XLT

A very important factor in evaluating the performance of telescopes is transmission, that is the proportion of incident light that arrives at the image plane.
The main characteristics of the StarBright®-XLT coating are as follows:

  • Highly reflective multi-layer mirror coating: the mirror coatings consist of precisely applied layers of aluminium, quartz, titanium dioxide and more quartz. The reflectivity is constant across the spectrum, and the three layers of coating provide excellent protection against the ageing of the mirror surfaces
  • Corrector plate: water white glass instead of soda lime glass is used for the corrector plate in all Celestron Schmidt-Cassegrain optics with StarBright-XLT coating. Uncoated, this glass delivers approximately 90.5% transmission. Together with the StarBright®-XLT coating, its transmission reaches 97.4%!

The entire optical system consisting the corrector plate, mirror and lenses achieve a transmission maximum of 89% at 520 nanometres (where the dark-adjusted human eye has its highest light sensitivity). The average transmission over the entire visual spectrum from 400 to 750 nanometres is 83.5%.

EdgeHD Optics

EdgeHD Optics

EdgeHD is an aplanatic flat-field Schmidt optical system designed to produce aberration-free images with pinpoint stars all the way to the edge of the field of view of today’s largest imaging sensors and wide field eyepieces.

EdgeHD virtually eliminates both field curvature and off-axis star coma, providing an astrograph-quality system at a fraction of the price of competitors.

Software

PWI Telescope Control Software

PWI Telescope Control Software

The software was developed together with PlaneWave Instruments and enables a highly accurate GoTo control. The PointXP Mount Modelling, which is also used in the Celestron StarSense module, is used for this purpose, and allows a much more accurate model of the sky than the electronics of a hand control box. Various reference stars are used to compensate for numerous types of alignment errors including telescope flexing.

Besides the higher accuracy, control via a PC/laptop combined with the stored star chart is particularly simple and intuitive. In addition, the PWI software has a larger object database than the manual control. If you have Internet access, PWI can even access the SIMBAD professional astronomical database.

The PC/laptop is connected via USB 2.0. The PWI software runs on Windows 7, 8, and 10.

All-Star Polar Alignment

All-Star Polar Alignment

Every equatorial mount must be aligned. This means that the hour axis must be aligned parallel to the Earth's axis. This alignment is achieved by pointing at the star Polaris. However, Polaris is not always visible and finding the pole star with a polar finder is a demanding, gymnastic exercise.

Thanks to Celestron’s All-Star Polar Alignment, you just need to use any bright star to set up the telescope. It doesn't have to be Polaris, so you don't need a clear view to the north. In addition, this method also works in the southern hemisphere, where no star marks the celestial pole.

You then follow the detailed instructions on the hand-held controller display and after a few steps the mount is aligned, and indeed more precisely than with any other method!

The CGX mount is also available separately.

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27.10.2021
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