Advanced Series Advanced Series GT INSTRUCTION MANUAL C5-S C8-S C9.25-S INTRODUCTION ........................................................................................................................................................................... 4 Warning......................................................................................................................................................................4 ASSEMBLY ..................................................................................................................................................................................... 5 Setting up the Tripod..................................................................................................................................................7 Attaching the Equatorial Mount .................................................................................................................................8 Attaching the Center Leg Brace .................................................................................................................................8 Installing the Counterweight Bar................................................................................................................................8 Installing the Counterweight ......................................................................................................................................9 Attaching the Hand Control Holder ...........................................................................................................................9 Attaching the Slow Motion Knobs .............................................................................................................................9 Attaching the Optical Tube to the Mount.................................................................................................................10 Attaching the Visual Back........................................................................................................................................10 Installing the Star Diagonal ......................................................................................................................................11 Installing the Eyepiece .............................................................................................................................................11 Installing the Finderscope ........................................................................................................................................11 Removing the Lens Cap ...........................................................................................................................................12 Moving the Telescope Manually ..............................................................................................................................12 Balancing The Mount in R.A. ..................................................................................................................................13 Balancing The Mount in DEC..................................................................................................................................13 Adjusting the Mount.................................................................................................................................................14 Adjusting the Mount in Altitude................................................................................................................................14 Adjusting the Mount in Azimuth ..............................................................................................................................14 Attaching the Declination Cables (For GT Models Only)........................................................................................15 Powering the Telescope............................................................................................................................................15 HAND CONTROL ........................................................................................................................................................................ 16 Hand Control Operation ...........................................................................................................................................17 Alignment Procedures ..............................................................................................................................................18 Startup Procedure .....................................................................................................................................................18 Auto Align................................................................................................................................................................19 Auto Three-Star Align..............................................................................................................................................19 Quick-Align..............................................................................................................................................................20 Last Alignment.........................................................................................................................................................20 Re-Alignment ...........................................................................................................................................................20 Object Catalog..........................................................................................................................................................21 Selecting an Object...................................................................................................................................................21 Slewing to an Object.................................................................................................................................................21 Finding Planets .........................................................................................................................................................21 Tour Mode ................................................................................................................................................................22 Constellation Tour ....................................................................................................................................................22 Direction Buttons......................................................................................................................................................22 Rate Button ...............................................................................................................................................................22 Setup Procedures ......................................................................................................................................................23 Tracking Mode .................................................................................................................................................23 Tracking Rate ...................................................................................................................................................23 Date/Time.........................................................................................................................................................23 User Defined Objects .......................................................................................................................................23 Get RA/DEC ....................................................................................................................................................24 Goto R.A/Dec...................................................................................................................................................24 Identify .............................................................................................................................................................24 Precise GoTo ............................................................................................................................................................25 Scope Setup Features................................................................................................................................................25 Setup Time-Site................................................................................................................................................25 Anti-backlash....................................................................................................................................................25 Filter Limits......................................................................................................................................................25 Direction Buttons .............................................................................................................................................26 Goto Approach .................................................................................................................................................26 Autoguide Rates ...............................................................................................................................................26 Azimuth Limits.................................................................................................................................................26 East/West Filtering ...........................................................................................................................................27 Utility Features .........................................................................................................................................................27 Calibrate Goto ..................................................................................................................................................27 Home Position ..................................................................................................................................................27 Polar Align .......................................................................................................................................................27 Light Control ....................................................................................................................................................28 Factory Settings................................................................................................................................................28 Version .............................................................................................................................................................28 Get Alt-Az ........................................................................................................................................................28 Goto Alt-Az......................................................................................................................................................28 Hibernate ..........................................................................................................................................................28 Turn On/Off GPS .............................................................................................................................................28 ASTRONOMY BASICS ............................................................................................................................................................... 30 The Celestial Coordinate System..............................................................................................................................30 Motion of the Stars ...................................................................................................................................................31 Finding the North Celestial Pole...............................................................................................................................33 Declination Drift Method of Polar Alignment..........................................................................................................34 CELESTIAL OBSERVING ......................................................................................................................................................... 35 Observing the Moon .................................................................................................................................................35 Lunar Observing Hints .................................................................................................. ...