Overview

The Main Window The Tool Bar Using Files Docking Windows Exit the Program

Performing an Ephemeris Calculation Creating a New Ephemeris Ephemeris Data Selection Ephemeris Type Selection Angular Separation Body Selection Time span Time Specification Step Size Specification Delta T Nutation Observer Local Calendar Refraction Formatting More Settings Calculating Differences Additional Information

The Ephemeris Table Moving through the Table Using the Find Function Printing the Ephemeris Table Ephemeris Data Export

The XY-Plot The Plot Series Dialog The Plot Settings Dialog

The Parametric Plot The Parametric Plot Settings Dialog

The 3D-Viewer Creating a 3D-View Body Selection Central Body Colors

The Star Chart Creating a Star Chart The View Dialog Options Colors

The Time Control Window Editor Settings

The Memo

Tools Calendar Conversion Astronomical Event Calculator Bright Star Catalogue

Sources and Accuracy Sources Accuracy Inner Planets Outer Planets Moon Delta T

Appendix Comparison with JPL's HORIZONS Ephemeris Generator Time Control Script Reference Time Control List Procedures and Variables Astronomical Calculations Date and Time Calculations User Interaction Time Interval Constants Time Shift Constants Standard Epoch Constants Constellation Abbreviations