XEphem eks - i - ’fem The Scientific-Grade Interactive Cross-Platform Astronomical Software Ephemeris UNIX − Mac OS X − MS Windows Version 3.5.2 User Manual Clear S ky I nstitute Copyright © 2002 Clear Sky Institute, Inc. All rights reserved. www.ClearSkyInstitute.com This document prepared on Linux kernel version 2.4.9-13 with Applixware version 4.4.2. Last changed January 14, 2002. Contents 1 XEphem -- the Interactive Ephemeris . 1-1 1.1 Summary of Capabilities. 1-1 1.2 UNIX Installation . 1-3 1.2.1 Launching XEphem . 1-5 1.3 Windows Installation . 1-6 1.3.1 Starting XEphem the First Time. 1-6 1.3.2 File Structure . 1-7 1.3.3 Multiple Users . 1-8 1.3.4 File naming . 1-9 1.3.5 Printing . 1-9 1.3.6 Uninstallation. 1-10 1.4 Apple Mac OS X Installation . 1-10 1.4.1 LX200 . 1-10 1.5 Operation . 1-10 1.6 Triad Formats. 1-11 2 Main Window . 2-1 2.1 File menu . 2-4 2.1.1 Network setup . 2-5 2.1.2 External Time/Loc . 2-5 2.2 View menu . 2-6 2.3 Tools menu . 2-6 2.4 Data menu . 2-6 2.5 Preferences menu . 2-7 2.5.1 Save . 2-9 2.5.2 Save Fonts . 2-11 2.5.3 Save Colors. 2-12 2.6 Sites dialog . 2-13 2.7 Examples . 2-14 2.7.1 Sky tonight. 2-14 2.7.2 Solar eclipse path . 2-16 2.7.3 Sky trail . 2-17 2.7.4 Displaying images . 2-19 2.7.5 Sunrise plot . 2-20 2.7.6 Ring crossing. 2-22 2.7.7 Lunar occultation . 2-25 2.7.8 International Space Station . 2-26 3 Data Table . 3-1 3.1 Setup window . 3-1 4 Moon view. 4-1 4.1 Mouse functions . 4-1 Version 3.5.2 Page i-i 4.2 Control menu . 4-2 4.3 Views menu . 4-3 4.3.1 More info dialog. 4-4 4.4 Scale menu. 4-5 5 Earth view . 5-1 5.1 Mouse functions . 5-2 5.2 Control menu . 5-2 5.2.1 Objects dialog . 5-3 5.3 View menu . 5-5 6 Mars view . 6-1 6.1 Mouse functions . 6-1 6.2 Control menu . 6-2 6.3 View menu . 6-2 6.3.1 More info dialog. 6-3 6.3.2 Moon info dialog . 6-3 7 Jupiter view . 7-1 7.1 Mouse functions . 7-2 7.2 Control menu . 7-2 7.3 View menu . 7-2 7.3.1 More info dialog. 7-3 8 Saturn view. 8-1 8.1 Mouse functions . 8-2 8.2 Control menu . ..