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iOptron 8401 manual Two-Star Align

Models: 8401

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A 39°43.3′ Z 221°20.0′ Center the target then

press “ENTER” 2X

Use “UP” and “DOWN” arrow buttons to select a star and press ENTER. Use SPEED button to select a speed, and use arrow buttons to center the star in your telescope. Press ENTER when finished.

1.2.2Two-Star Align

If your mount is not horizontal one-star align is usually not accurate enough. You will need to do two-star align. Select “Two-star align” from the previous menu. Select one bright star from the menu. Use the arrow buttons to center it in the telescope and press ENTER. Select a second bright star and use the arrow keys to center the second star. Press ENTER. Two-star align is finished.

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Contents

GoToNovaTM 8401 Hand-Held Controller Manualwww . iOptron . com Page CONTENTS Page Chapter 0 Quick Start Reference http//hubblesite.org Sky and TelescopeThe Hubble Site Useful Links0.2 Getting Started A GPS module makes life a lot easier. It automatically sets the time and location for youSet Local Time 2007-06-18 Daylight Time saving√ What’s Next? Appendix Chapter.1 Set Up And Alignment1.0 Basic Symbols 1.1 Set Up1.2.2 Two-Star Align You can define and save new celestial objects in the database Chapter. 2 Select And SlewAppendix NEVER LOOK DIRECTLY AT THE SUN WITH THE NAKED EYES OR WITH2.6 Constellations Contains 88 constellations 2.7 User Objects 2.5 Stars 2.5.1 Named Stars Contains 191 stars 2.5.2 Constellations2.5.4 Variable Stars 2.5.5 SAO Bright StarsCheck Appendix A for complete menu structures Chapter. 3 Other Functions3.4 Set up tracking Set up tracking speed 3.5 User objects AppendixFIG.4 Equatorial ModePeople usually use alt-zi mode to observe land objects Chapter. 4 How to ObserveUse slower speed for fine tuning 4.2 Observing using arrow keys4.4 Tracking APPENDIX A MENU STRUCTURE o M63 Sunflower galaxy spiral galaxy APPENDIX B Messier Catalogo M44 Praesepe, the Beehive Cluster open cluster o M51 The Whirlpool Galaxy spiral galaxyo M76 The Little Dumbell, Cork, or Butterfly planetary nebula o M57 The Ring Nebula planetary nebulao M42 The Great Orion Nebula diffuse nebula o M43 part of the Orion Nebula de Mairans Nebula diffuse nebulao M1 The Crab Nebula supernova remnant o M6 The Butterfly Cluster open clustero M7 Ptolemys Cluster open cluster o M11 The Wild Duck Cluster open clustergenitive APPENDIX CModern Constellations constellationCanis Minoris 1690, Firmamentum Sobiescianum, Hevelius 1624, Bartsch 1690, Firmamentum Sobiescianum, HeveliusLynx MicroscopiumPyxis PiscesPiscis Austrinus PuppisVolans 1690, Firmamentum Sobiescianum, HeveliusAustrale Azimuth APPENDIX D Celestial CoordinatesFIG.D1 Altitudet, hour angle FIG.D2δ, declination δ, declination α, right ascension FIG. D3You need two numbers to define a position on the celestial sphere Celestial sphere is an imaginary sphere of infinite radiusPage GoToNovaTM 8401 Specifications Appendix E SPECIFICATIONSProduct Appendix FProducts List Item #IOPTRON TWO YEAR TELESCOPE, MOUNT, AND CONTROLLER WARRANTY