Showing 442 open source projects for "gnu"

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  • 1
    Stellarium

    Stellarium

    A planetarium software that shows a 3D simulation of the night sky

    Stellarium renders 3D photo-realistic skies in real time with OpenGL. It displays stars, constellations, planets, nebulae and others things like ground, landscape, atmosphere, etc.
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    Downloads: 3,058 This Week
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  • 2
    Sky Chart / Cartes du Ciel
    SkyChart is a software to draw chart of the night sky for the amateur astronomer from a bunch of stars and nebulae catalogs. See main web page for full download. This software is part of a full suite for astronomical observation: https://sourceforge.net/projects/ccdciel/ https://sourceforge.net/projects/indistarter/ https://sourceforge.net/projects/eqmodgui/ Requirement: https://sourceforge.net/projects/libpasastro/ See also: https://sourceforge.net/projects/indi/
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    Downloads: 1,750 This Week
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  • 3
    Software for Moon observation and survey. Let you visualize the real Moon aspect at every time. Also help to study any lunar formations using feature database and pictures library.
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    Downloads: 388 This Week
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  • 4
    HEALPix

    HEALPix

    Data Analysis, Simulations and Visualization on the Sphere

    Software for pixelization, hierarchical indexation, synthesis, analysis, and visualization of data on the sphere. Please acknowledge HEALPix by quoting the web page http://healpix.sourceforge.net (or https://healpix.sourceforge.io) and publication: K.M. Gorski et al., 2005, Ap.J., 622, p.759 Full software documentation available at https://healpix.sourceforge.io/documentation.php Wiki Pages: https://sourceforge.net/p/healpix/wiki/Home Exchanging Data with HEALPix (in FITS files):...
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    Downloads: 266 This Week
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  • 5
    Lynkeos

    Lynkeos

    Lynkeos is an astronomical webcam image processing software for OS X.

    Lynkeos is a Cocoa® application dedicated to the processing of astronomical digital images taken through a telescope. It is optimized for SSE vectorized instructions sets, multi-processor and multi-core machines.
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    Downloads: 128 This Week
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  • 6
    HNSKY

    HNSKY

    Hallo Northern Sky planetarium program

    Welcome to the semi professional free planetarium program HNSKY for MS-Windows and Linux. This program can control your telescope via the ASCOM or INDI interface, has a comprehensive up to date deep sky database with 30.000 objects and detailed descriptions. A star database with millions of stars and hundreds of Deep Sky Survey images which blends in accurately. Additional the program can access the online version of the Deep Sky Survey allowing online update of the asteroid and comet...
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    Downloads: 95 This Week
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  • 7
    ASIStudio

    ASIStudio

    All-in-one Astrophotography Software Works on multi-OperatingSystem

    Downloads: 42 This Week
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  • 8
    CCDciel

    CCDciel

    Astronomy CCD capture software

    A CCD capture software intended for the amateur astronomer. It include all the features required to perform digital imaging CCD observation of celestial objects. Using the standard drivers protocol INDI and ASCOM it can connect and control the CCD camera, the focuser, the filter wheel and the telescope mount. This software is part of a full suite for astronomical...
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    Downloads: 61 This Week
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  • 9
    PreviSat

    PreviSat

    Satellite tracking software

    PreviSat is a satellite tracking software for observing purposes. Very easy to use, it shows positions of artificial satellites in real-time or manual mode. PreviSat is able to make predictions of their passes, predictions of MetOp and COSMO-SkyMed flares, transits of all satellites, predictions of Starlink satellites passes and several other calculations.
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    Downloads: 99 This Week
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  • 10
    Astrolog

    Astrolog

    Astrology calculation, charting, and analysis

    Astrolog is astrology software featuring many types of computation, display, graphics, comparison, and analysis. It supports multiple environments, such as MS Windows and Unix X Windows, with complete C++ source code available. For more information see the Web site: http://www.astrolog.org/astrolog.htm
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    Downloads: 50 This Week
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  • 11
    C-Munipack
    The C-Munipack is an astrophotometry software package, which offers a complete solution for reduction of images carried out by CCD or DSLR camera, intended on a observation of variable stars, exoplanets and minor Solar System bodies. It provides a simple and intuitive graphical user interface.
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    Downloads: 40 This Week
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  • 12
    echoes

    echoes

    Echoes is a radio spectral analysis software for SDR devices

    Echoes it's a radio spectral analysis software for SDR devices, designed for meteor scattering purposes. The older releases supported only RTL-SDR devices. They are very cheap SDR based on DVB-T TV tuner dongles based on Realtek's RTL2832U chipset. Starting from 0.50 Echoes embeds SoapySDR allowing the support of many other SDRs. Echoes doesn't demodulate neither decode any human-made signal. Its main goal is to analyze and record the total power of natural signals and generate...
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    Downloads: 41 This Week
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  • 13
    nuSolve

    nuSolve

    Geodetic VLBI data analysis software.

    Downloads: 12 This Week
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  • 14
    CollimationCircles

    CollimationCircles

    Collimation Circles, app for easy telescope collimation

    This program was inspired by Mire De Collimation program written by Gilbert Grillot and Al's Collimation Aid. I combined best features of both and addes some of my own. Purpose of this program is not to reinvent the wheel, but rather to learn new technologies, become better at colimating my telescope and to learn something new. Main purpose of this program is to help you with aligning optical elements of your telescope such as secondary mirror, primary mirror, focuser, etc. Collimation...
    Downloads: 19 This Week
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  • 15
    Project Apollo - NASSP
    Project Apollo - NASSP (also known as NASSP or NCPP) is an add-on for the Orbiter space flight simulator. Project Apollo simulates the Apollo missions to Earth orbit and the Moon and the planned post-Apollo missions that never flew.
    Downloads: 12 This Week
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  • 16
    Tempo is a pulsar timing data analysis package.
    Downloads: 7 This Week
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  • 17
    Mars Simulation Project
    The Mars Simulation Project is an open source Java project to create a simulation of future human settlement on the planet Mars. See https://github.com/mars-sim/mars-sim for the LATEST issues/wiki/code change
    Downloads: 11 This Week
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  • 18

    virtualplanet

    Software for planet observation and study

    Allow you to visualize any planet aspect at any time. Include extended feature database and texture. Many function are oriented to the observation at the telescope and other to indoor research .
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    Downloads: 9 This Week
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  • 19
    SolTrack

    SolTrack

    A free, fast and accurate routine to compute the position of the Sun

    ...SolTrack has been developed by Marc van der Sluys, Paul van Kan and Jurgen Reintjes, of the Lectorate of Sustainable Energy at the HAN University of Applied Sciences in Arnhem, The Netherlands. The code is based on the astronomical Fortran library libTheSky and can be used, modified and distributed under the conditions of version 3 of the GNU Public Licence.
    Downloads: 7 This Week
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  • 20
    p3d

    p3d

    General data-reduction tool for fiber-fed integral-field spectrographs

    p3d is a general data-reduction tool for use with fiber-fed integral-field spectrographs (IFSs); although, the spectrum viewer works with spectrum data cubes of any origin. The tool is built about the proprietary software IDL (Harris/EXELIS; see http://www.harrisgeospatial.com), but can be used without any license. Most slowly running loops are implemented in parallelized C (OpenMP).
    Downloads: 10 This Week
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  • 21
    Image16

    Image16

    Image viewer/editor specialized in astrophotography 16bits processing

    Opens/saves TIF, FITS, PNG, XISF, PXM, RAW, JPG, XCF, PSD, WEBP. AsinH, Sqrt, Ln, Exp and Sqr stretching, HSL and RGB adjusting, Levels and Curves adjusting and Background Extraction for Color Balance, Flatness and Gradient Correction. Arithmetic between images. Resizing and croping. Color Balance based on background, selection or stars B-V (after platesolving). Debayering/Bayering. Inversion, mirroring, rotation, barrel/pincushion correction. RGB alignment/shifting. Erode, Dilate, ......
    Downloads: 12 This Week
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  • 22
    Java software that predicts transits of any satellite, including the International Space Station, across the moon and sun, and close encounters with Mercury thru Saturn.
    Downloads: 2 This Week
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  • 23
    EqmodGui

    EqmodGui

    User interface for INDI Eqmod telescope driver

    Eqmodgui is a user interface for Linux INDI Eqmod telescope driver. It allow to easily set the main parameters require to use this driver and manage the alignment data. Eqmod is now very simple to use on Linux. This software is part of a full suite for astronomical observation: https://sourceforge.net/projects/skychart/ https://sourceforge.net/projects/ccdciel/ https://sourceforge.net/projects/indistarter/ See also: https://sourceforge.net/projects/indi/
    Downloads: 2 This Week
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  • 24
    JavAstro

    JavAstro

    A collection of java astronomy tools

    A collection of astronomy tools written in java: sky map, astronomical events, ephemerides, planet visibility, moon calendar and galilean moons.
    Downloads: 1 This Week
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  • 25
    PMViewer is a Visualization tool for Astrophysical N-Body and Hydro Simulations. GADGET-2 data support.With/Without periodical boundary conditions.Snapshot of scene in PPM and GIF formats.Flying in 3D space. Active/Passive Stereo 3D support.
    Downloads: 1 This Week
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