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• Sun and Moon Rise and Set calculator
• Web version of MICA
• JPL Ephemeris Generator
• Solar System Simulator

3.2 Java $B%"%W%l%C%H(B

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• GeoAstro Applet Collection by Juergen Giesen
• Aladin Interactive Sky Atlas
• Cluster simulator
• Sky Image Processor
• J-Track 3D - Satellite Tracking