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iOptron 8401 Stars 2.5.1 Named Stars Contains 191 stars 2.5.2 Constellations, Variable Stars

Models: 8401

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By specifying R.A. and DEC numbers (or A and Z ) , you can point your telescope to anywhere on the celestial sphere.

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Contains up to 4096 asteroids.

2.5Stars

2.5.1Named Stars Contains 191 stars.

2.5.2Constellations

Contains 88 constellations.

2.5.3Double Stars Contains 40 double stars.

2.5.4Variable Stars

Contains 38,624 variable stars.

2.5.5SAO Bright Stars

Contains up to 26,584 SAO bright stars.

2.6Constellations Contains 88 constellations.

2.7User Objects

User defined objects. User can define up to 128 objects

2.8Enter R.A. DEC.

In Equatorial mode the user can target a location by specifying its RA (Right Ascension) and DEC (Declination). Use the arrow buttons to move the cursor and adjust the values. Press ENTER.

In Altazimuth mode the user can target a location by specifying its A (Altitude) and Z (Azimuth). Use the arrow buttons to move the cursor and adjust the values. Press

ENTER.

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iOptron 8401 manual Stars 2.5.1 Named Stars Contains 191 stars 2.5.2 Constellations, Variable Stars, SAO Bright Stars

Contents

www . iOptron . com ManualGoToNovaTM 8401 Hand-Held Controller Page CONTENTS Page Chapter 0 Quick Start Reference The Hubble Site Sky and TelescopeUseful Links http//hubblesite.org0.2 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? 1.0 Basic Symbols Chapter.1 Set Up And Alignment1.1 Set Up Appendix1.2.2 Two-Star Align Appendix Chapter. 2 Select And SlewNEVER LOOK DIRECTLY AT THE SUN WITH THE NAKED EYES OR WITH You can define and save new celestial objects in the database2.5.4 Variable Stars 2.5 Stars 2.5.1 Named Stars Contains 191 stars 2.5.2 Constellations2.5.5 SAO Bright Stars 2.6 Constellations Contains 88 constellations 2.7 User Objects3.4 Set up tracking Set up tracking speed 3.5 User objects Chapter. 3 Other FunctionsAppendix Check Appendix A for complete menu structuresFIG.4 Equatorial ModeUse slower speed for fine tuning Chapter. 4 How to Observe4.2 Observing using arrow keys People usually use alt-zi mode to observe land objects4.4 Tracking APPENDIX A MENU STRUCTURE o M44 Praesepe, the Beehive Cluster open cluster APPENDIX B Messier Catalogo M51 The Whirlpool Galaxy spiral galaxy o M63 Sunflower galaxy spiral galaxyo M42 The Great Orion Nebula diffuse nebula o M57 The Ring Nebula planetary nebulao M43 part of the Orion Nebula de Mairans Nebula diffuse nebula o M76 The Little Dumbell, Cork, or Butterfly planetary nebulao M7 Ptolemys Cluster open cluster o M6 The Butterfly Cluster open clustero M11 The Wild Duck Cluster open cluster o M1 The Crab Nebula supernova remnantModern Constellations APPENDIX Cconstellation genitiveCanis Minoris 1690, Firmamentum Sobiescianum, Hevelius Lynx 1690, Firmamentum Sobiescianum, HeveliusMicroscopium 1624, BartschPiscis Austrinus PiscesPuppis PyxisAustrale 1690, Firmamentum Sobiescianum, HeveliusVolans FIG.D1 APPENDIX D Celestial CoordinatesAltitude Azimuthδ, declination FIG.D2t, hour angle 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 SPECIFICATIONSProducts List Appendix FItem # ProductIOPTRON TWO YEAR TELESCOPE, MOUNT, AND CONTROLLER WARRANTY