Open Source Astronomy Software

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Browse free open source Astronomy software and projects below. Use the toggles on the left to filter open source Astronomy software by OS, license, language, programming language, and project status.

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  • 1
    A simple command to convert calendar dates to julian dates. Quite useful in timing situations where you need elapsed time between dates. Also useful for astronomy applications.
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    Downloads: 7 This Week
    Last Update:
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  • 2
    X-Bc (formerly: xbc) is a graphical user interface to the command line calculator bc. All Inputs and Outputs stays visible for editing and comparing. Functionality: trigonometry, number-theory, exponential funcs, scientific constants, primenumbers ...
    Downloads: 1 This Week
    Last Update:
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  • 3
    Field calculator for Astronomical photography, pictures database management, ephemerides calculator for the planets, bright comets and asteroids and hours of visibility
    Downloads: 0 This Week
    Last Update:
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  • 4
    Astronomy CCD Calculator

    Astronomy CCD Calculator

    Plan and preview your astronomical shots

    A handy tool designed to help beginner Astronomers. The software Astronomy CCD Calculator uses NASA/SkyView survey resource which provides CCD images of the night sky.It helps you plan an observation by letting you play with different instruments resulting various "Fields Of View" so you can see what your camera will capture and choose the best target for the session.
    Downloads: 0 This Week
    Last Update:
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  • 5
    A free, portable, plug-in based, gnomonic sundial calculator utility
    1 Review
    Downloads: 0 This Week
    Last Update:
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  • 6
    A php port of the solunar tables calculator. Calculates Solunar Tables for any position on earth. Solunar tables are used to predict the best days and times of day to go hunting and fishing.
    Downloads: 0 This Week
    Last Update:
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