Meade ETX-105EC, ETX-125EC

Ver. 0501 Part no. 14-1010-20

ADVANCED PRODUCTS DIVISION

Meade Instruments Corporation

World’s Leading Manufacturer of Astronomical Telescopes for the Serious Amateur

6001 Oak Canyon, Irvine, California 92618 ■(949) 451-1450

FAX:(949) 451-1460 ■www.meade.com

Contents

Main Page WARNING! 1 3 4 QUICK-START GUIDE 5 Page ETX:Your Personal Window to the Universe Telescope Controls Light No. Light Status GETTING STARTED Parts List Assembly Instructions Join an Astronomy Club Attend a Star Party Using The Viewfinder Focusing the Viewfinder Aligning the Viewfinder OBSERVA TION TECHNIQUES Choosing an Eyepiece Too Much Power? Understanding Magnification Terrestrial Observing Astronomical Observing Sidereal Rate The Electronic Controller Slew Speeds Modes of Operation Telescope Mountings Alt/Az Mode P Surf the Web Celestial Coordinates Locating the Celestial Pole Polar Alignment Procedure Polaris Little Dipper Big Dipper Cassiopeia PHOTOGRAPHY 12 64 5 7 OPTIONAL ACCESSORIES Page GENERAL MAINTENANCE Storage and Transport Inspecting the Optics Troubleshooting Unable to see an image through the eyepiece: Object appears in the viewfinder but not in the eyepiece: Telescope does not track a celestial object: Telescope moves off a terrestrial object while observing: Telescope does not move past a certain point: Telescope pauses when changing slew direction: A terrestrial object appears reversed left-for-right: Meade Customer Service ETX-90EC Astro Telescope with encoders, bothaxes ETX-105EC Astro Telescope Telescope dimensions: . . . . . . . . . . . . . 43cm x 25cm x 20cm (17 x 10 x 8) ETX-125EC Astro Telescope Appendix A: ADVANCED ELECTRONIC CONTROLLER FUNCTIONS Tracking Motor Speeds - 26 - Step 3. Step 5. Appendix B: HELPFUL CHARTS Latitude Chart for Major Cities of the World City State/Prov./Country Latitude Star Locator City State/Country Latitude Appendix C: PRECISE POLAR ALIGNMENT; SETTING CIRCLES Setting Circles Appendix D: YOUAND THE UNIVERSE OBJECTS IN SPACE Autostar Glossary The Moon Planets Further Study.... MEADE LIMITED WARRANTY WARNING