Manual Celestron CGEM II (page 5 of 161) (English, German, French, Italian, Spanish)

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ENGLISH | 5

Introduction

Congratulations on your purchase of the Celestron

CGEM II telescope mount. The CGEM II German equatorial

mount has been designed with the highest quality materials to

ensure stability and durability. All this adds up to a telescope

that gives you a lifetime of enjoyment with a minimal amount

of maintenance.

Furthermore, the CGEM II mount is versatile — it will grow

with you as your interest grows from astronomical observing

to astroimaging.

If you are new to astronomy, you may wish to start off by

using the built-in Sky Tour feature, which commands the

telescopes to ﬁnd the most interesting objects in the sky and

automatically slews to each one. If you are an experienced

amateur, you will appreciate the comprehensive database of

over 40,000 objects, including customized lists of all the

best deep-sky objects, bright double stars and variable stars.

No matter your level of experience, CGEM II will help you

and your friends explore the wonders of the universe.

Some of the features of the CGEM II include:

• High-torque motors for helping to smoothly drive heavier

loads

• Permanently Programmable Periodic Error Correction

(PEC) to improve your tracking performance

• A dedicated autoguider port for making corrections when

astroimaging

• Large, easy to access polar alignment knobs for quick and

sure movements

• Ergonomic design that disassembles into compact and

portable pieces

• Database ﬁlters for creating custom object lists

• Storage for programmable user deﬁned objects

• Many other high performance features

The CGEM II mount provides amateur astronomers with the

most sophisticated and easy to use telescopes available on

the market today.

Take time to read through this manual before embarking

on your journey through the universe. It may take a few

observing sessions to become familiar with your telescope,

so you should keep this manual handy until you have fully

mastered your telescope’s operation. The hand control has

built-in instructions to guide you through all the alignment

procedures needed to have the telescope up and running in

minutes. Use this manual in conjunction with the on-screen

instructions provided by the hand control. The manual gives

detailed information regarding each step as well as needed

reference material and helpful hints guaranteed to make your

observing experience as simple and pleasurable as possible.

Your telescope is designed to give you years of fun and

rewarding observations. However, there are a few things to

consider before using your telescope that will ensure your

safety and protect your equipment.

Warning

• Never look directly at the Sun with the naked eye or

with a telescope (unless you have the proper solar ﬁlter).

Permanent and irreversible eye damage may result.

• Never use your telescope to project an image of the Sun

onto any surface. Internal heat build-up can damage the

telescope and any accessories attached to it.

• Never use an eyepiece solar ﬁlter or a Herschel wedge.

Internal heat build-up inside the telescope can cause these

devices to crack or break, allowing unﬁltered sunlight to

pass through to the eye.

• Never leave the telescope unsupervised. Make sure an

adult who is familiar with the correct operating procedures

is with your telescope at all times, especially when children

are present.

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Celestron CGEM II Manual

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