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AstroPlanner a software application for Macintosh and Windows computers that facilitates astronomical visual observation planning and logging as well as control of Meade telescopes that use the LX200, LX200GPS or Autostar controllers, Celestron NexStar scopes, Astro-Physics GTO mounts, the Vixen SkySensor 2000 system , and several others Celestia Celestia is a real-time visual simulation of space. Choose a point within the Local Group of galaxies, and Celestia will show you an approximation of how it would appear to your eyes were you actually there. Read more ConverTable Planets a freeware weight converter... for use on other planets. Plus, you can view the planets in their true relative sizes, and learn your age on other planets General Mission Analysis Tool The General Mission Analysis Tool (GMAT) is a space trajectory optimization and mission analysis system developed by NASA and private industry in the spirit of the NASA Vision. GMAT contains new technology and is a testbed for future technology development. JIKANKEI JIKANKEI displays angles of the SUN and local times of cities and places on the Earth. Sunrise and sunset data are taken from US Naval Observatory Date Services through Internet. Just Moon Just Moon is a moon viewer for Linux (and other unixlike platforms). Lynkeos a Cocoa (Mac OS X) application dedicated to the processing of astronomical (mainly planetary) images taken with a webcam through a telescope MoonDock MoonDock is a lightweight application designed for displaying up-to-date images of the Moon phase in your system MacOS X Dock or as a floating Moon image on your desktop. MoonDock also enables you to examine phase information for specific dates and times between 2001 and 2015. ORSA Orbit Reconstruction, Simulation and Analysis is a C++ framework for the development of algorithms oriented to the simulation and analysis of the orbital evolution of bodies in space. Read more OSXmoontool OSXmoontool displays information about the moon, like moon phase and the Earth-to-moon distance. Sciatrope Sciatrope is a Cocoa (MacOS X) application that helps preparing for, and observe a solar eclipse. It gives the eclipse circumstances, distance and direction to the central line. It supports the connection to a NMEA compatible GPS receiver, to input location and time. It starts actions (apple scripts, shell scripts or applications) at prescripted times during the eclipse. SkyORB SkyORB is a 3D planetarium, star gazing and epheremis, based from V3X.net engine. It features a modern 3D interface, search engine, a large catalog of stars, planets, moons and updatable comets and asteroids database, and let you choose see the actual sky from any point on Earth or from any planet from the solar system. Starry Night Widget An Astronomy widget that will let you see the sky (planets, constellations) for any location on Earth. Stellarium Stellarium is a free open source planetarium for your computer. It shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope. It is being used in planetarium projectors. Just set your coordinates and go. Read more Where is M13? Where is M13? is a unique application that helps you visualize the locations and physical properties of deep sky objects in and around the Galaxy.
