CGEM Series Manual - Celestron

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Congratulations on your purchase of the Celestron CGEM Series telescope! The CGEM Series is made of the highest quality materials toensure stability and durability. All this adds up to a telescope that gives you a lifetime of pleasure with a minimal amount of maintenance.Furthermore, your Celestron telescope is versatile — it will grow as your interest grows.The CGEM Series ushers in the next generation of computer automated telescopes. The CGEM series continues in this proud traditioncombining large aperture optics with the sophistication and ease of use of our computerized GoTo mount.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 themost interesting objects in the sky and automatically slews to each one. Or if you are an experienced amateur, you will appreciate thecomprehensive database of over 40,000 objects, including customized lists of all the best deep-sky objects, bright double stars and variablestars. No matter your level of experience, the CGEM Series telescopes will unfold for you and your friends all the wonders of the Universe.Some of the many standard features of the telescope include:• Fully enclosed optical encoders for position location.• Ergonomically designed mount that disassembles into compact and portable pieces.• Database filter limits for creating custom object lists.• Storage for programmable user defined objects; andMany other high performance features!The CGEM deluxe features combine with Celestron’s legendary Schmidt-Cassegrain optical system to give amateur astronomers the mostsophisticated 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 tobecome familiar with your telescope, so you should keep this manual handy until you have fully mastered your telescope’s operation. Thehand control has built-in instructions to guide you through all the alignment procedures needed to have the telescope up and running inminutes. Use this manual in conjunction with the on-screen instructions provided by the hand control. The manual gives detailedinformation regarding each step as well as needed reference material and helpful hints guaranteed to make your observing experience assimple 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 usingyour telescope that will ensure your safety and protect your equipment.WarningNever look directly at the sun with the naked eye or with a telescope (unless you have the proper solarfilter). 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 anyaccessories 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 orbreak, allowing unfiltered sunlight to pass through to the eye.Never leave the telescope unsupervised, either when children are present or adults who may not be familiar with the correct operatingprocedures of your telescope.4
ASFigure 2.2 – CGEM(CGEM 1100 Shown)12111102E893D456CBA71 Optical Tube 7 Tripod Center Leg Brace/Accessory Tray2 Telescope Mounting Platform 8 Counterweight(s)3 Equatorial Mount 9 Counterweight Bar4 Latitude Adjustment Knob 10 Azimuth Adjustment Knob5 Hand Control 11 Dovetail Mounting Bar6 Tripod 12 Schmidt Corrector LensCONTROL PANEL C Hand Control PortA On/Off Switch D Aux PortB 12v Input Jack E Autoguider Port5
Page 2 and 3: INTRODUCTION.......................
Page 6 and 7: This section covers the assembly in
Page 8 and 9: Attaching the Accessory Tray1. Slid
Page 10 and 11: Attaching the Visual BackThe visual
Page 12 and 13: 3. Place the mounting bracket over
Page 14 and 15: Figure 2-14Balancing the Mount in D
Page 16 and 17: All Celestron computerized telescop
Page 18 and 19: the telescope will automatically sl
Page 20 and 21: One Star AlignOne-Star Alignment wo
Page 22 and 23: Pressing any of the other catalog k
Page 24 and 25: Tracking RateIn addition to being a
Page 26 and 27: Anti-backlash - All mechanical gear
Page 28 and 29: RA Limits - Sets the limits that th
Page 30 and 31: Scrolling MenuThis menus allows you
Page 32 and 33: A telescope is an instrument that c
Page 34 and 35: thousand yards. The apparent field
Page 36 and 37: Motion of the StarsThe daily motion
Page 38 and 39: 1. Center the star in the findersco
Page 40 and 41: With your telescope set up, you are
Page 42 and 43: Figure 6-1Seeing conditions directl
Page 44 and 45: 1. Load your camera with film that
Page 46 and 47: Once you have mastered the techniqu
Page 48 and 49: 7. Point the telescope at the objec
Page 50 and 51: While your telescope requires littl
Page 52 and 53: 7. Once the star image is in the ce
Page 54 and 55:
Series 2 - #94119-20Deep Yellow, Re
Page 56 and 57:
Appendix A - Technical Specificatio
Page 58 and 59:
J -Jovian PlanetsK -Kuiper BeltL -L
Page 60 and 61:
Appendix C - RS-232 ConnectionYou c
Page 62:
APPENDIX D - MAPS OF TIME ZONES62
Page 71:
Celestron2835 Columbia StreetTorran
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CGEM Series Manual - Celestron

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