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2017 Nautical Almanac in pdf format which includes monthly star charts with the planets' positions. It also includes parallax corrections for the planets.
Supplementary tables such as Increments and Corrections, Refraction and Dip are available at navsoft.com/downloads.html.
This Almanac was created by AstroNav for which a demonstration version is available on this site.
Accuracy is equal to the UK/ US Governments' "The Nautical Almanac" while the Star Charts are more comprehensive as well as ...
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Satellite Tracking Software that allows you to track the International Space Station and other satellites in real time. Easy to use. Radar system alerts you to satellites that is within viewing range.
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In cosmology, dark energy is a hypothetical form of energy which permeates all of space and has strong negative pressure. According to the theory of relativity, the effect of such a negative pressure is qualitatively similar to a force acting in opposition to gravity at large scales. Invoking such an effect is currently the most popular method for explaining recent observations that the universe appears to be expanding at an accelerating rate, as well as accounting for a significant portion of t ...
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An accurate simulation of the solar system, including all planets, major moons, all visible stars, and constellations. Multiple views and features. Home in on selected planets, or fly to distant stars quickly and easily. Support for any latitude and longitude on Earth. Includes an integrated search feature and accurate positioning from 1950 to 2050.
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Astronomy Conversion Tool converts between space units such as astronomical units, light years, and more.
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SatHunter is a program for calculating the orientation of a satellite antenna.
SatHunter contains all the necessary information for adjusting the satellite antenna to the selected satellite. The adjustment is made with the help of available tools (a compass or a protractor, a plumb, a tape measure) and requires neither expensive equipment nor deep knowledge about satellite television.
SatHunter - An easy-to-use tool that will help you to align a satellite system and easily find the signal from ...
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This utility can convert a gregorian date into julian day format/Modified Julian Day format and vice versa. The Julian Day Format counts the day since the 24th november -4713bc. The julian day format is often used in the astronomical section to calculate for example rises. This utility offers a fast and easyway to convert a gregorian date information to a julian day format or modified julian day format. The Modified Julian Day (MJD), introduced by the Smithsonian Astrophysical Observatory in 195 ...
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Screensaver that shows a 3D random arbitrary solar system that shows planets with random orbits and textures from real solar system planets and imaginary planets around the sun. It's free of adware,ads,virus,etc... and it's freeware.
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