Astronomy Software


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Astronomy Software

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  • PROPER Optical Propagation Library

    Routines for wavefront propagation in IDL, Matlab, and Python

    PROPER is a library of routines for the propagation of wavefronts through an optical system using Fourier-based methods. It was developed at the Jet Propulsion Laboratory for modeling stellar coronagraphs, but it can be applied to other optical systems were diffraction propagation is of concern. It is currently available for IDL (Interactive Data Language), Matlab and Python (2.7 & 3.x). It includes routines for generating complex apertures and obscurations and aberrations (Zernike & PSD-defined). It includes a model of a deformable mirror for wavefront control. The routines perform near and far field propagation with automatic selection of propagators. All Python users are urged to download v3.0b, which has some major bug fixes. The latest Python version is v3.0b released on 6 Mar 2018. IDL and Matlab versions are v3.0a from 22 Jan 2018.

    Downloads: 18 This Week Last Update: See Project
  • p3d Icon


    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, but can be used without any license. Most slowly running loops are implemented in parallelized C (OpenMP).

  • Slim Data Compression

    Slim is a data compression system for scientific data sets, a binary and a library with C linkage. Slim works with integer data from one or more channels in a file, which it can compress more effectively and more rapidly than general tools like gzip.

    Downloads: 16 This Week Last Update: See Project
  • libnova

    Celestial Mechanics Engine

    libnova is a general purpose, double precision, celestial mechanics, astrometry and astrodynamics library.

  • VStar Icon


    Multi-platform Variable Star Visualisation and Analysis

    VStar is a multi-platform, easy-to-use variable star observation visualisation and analysis tool. Data can be read from a file or the AAVSO database, light curves and phase plots created, period analysis performed, and filters applied. Plugins can be developed, e.g. to make additional observation sources available. See also: 1. 2. 3. 4.

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  • SpacePy Icon


    Space Science library for Python - contains superposed epoch classes, drift shell tracing, access to magnetic field models, streamline tracing, bootstrap confidence limits, time and coordinate conversions, etc.

    Downloads: 12 This Week Last Update: See Project
  • libTheSky Icon


    Fortran library to compute positions of celestial bodies

    libTheSky is a Fortran library to compute positions of celestial bodies (Moon, planets, stars) and events (conjunctions, eclipses). It forms the core of the software that produces the Dutch popular-astronomy website

    Downloads: 10 This Week Last Update: See Project
  • SolTrack Icon


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

    SolTrack is a simple, free, fast and accurate C/C++ routine to compute the position of the Sun. The code can be used to track the Sun on low-specs machine, such as a PLC or a microcontroller, and can be used for e.g. (highly) concentrated (photovoltaic) solar power. 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: 8 This Week Last Update: See Project
  • astroTools Icon


    Command-line tools for astronomy and astrophysics

    Command-line tools for astronomy and astrophysics, written in Fortran.

    Downloads: 8 This Week Last Update: See Project
  • Astronomy CCD Calculator Icon

    Astronomy CCD Calculator

    Plan and preview your astronomical shots

    Project Migration: 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.

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  • Time Ephemerides

    Calculate time ephemerides in convenient form

    Project to calculate and distribute the general relativistic corrections to clock rates for the surfaces of various solar system bodies. These corrections are also known as time ephemerides.

  • INDI for Java Icon

    INDI for Java

    INDI astronomical device control library for Java

    A Java library implementing the INDI distributed control protocol ( Designed to easily implement new INDI Clients (graphical and not graphical ones), INDI Drivers and INDI Servers. We have started a complete overall of the project with many more drivers the staging site with the current development state can be found here

    Downloads: 6 This Week Last Update: See Project
  • APOD desktop Icon

    APOD desktop

    See the Astronomy Picture of the Day in your desktop!

    [This is not the official application of APOD] APOD desktop is a program that permit see and navigate in the APOD directory of easy and fast form. Official webpage of APOD: ---------- ---------- ---------- ---------- ---------- Developed in: Python 3.4 with tkinter GUI Tested on: Windows 10 x64 bits Versions: 0.2 --> 08-02-2017 (actual) 0.1 --> 06-02-2017 Developer: Bryan Casanelli, student of physical civil engineering /

    Downloads: 3 This Week Last Update: See Project
  • Spheral++

    Spheral++ provides a steerable parallel environment for performing coupled hydrodynamical & gravitational numerical simulations. Hydrodynamics and gravity are modelled using particle based methods (SPH and N-Body).

    Downloads: 3 This Week Last Update: See Project
  • COS - Astrolab Icon

    COS - Astrolab

    Open Source Astronomy Tools

    Open source tool to assist with study of Astronomy, Astrophysics and Cosmology. To include usefull data and calculation of common equations used in the basic study of these subjects. Later versions may interface to other existing Astronomy software t

    Downloads: 2 This Week Last Update: See Project
  • BoPlanets planetarium

    BoPlanets shows planets relatively to an observing planet.

    BoPlanets is a virtual planetarium showing the planets relatively to any observing planet. The planets can be viewed in ecliptical-, equatorial- or horizontal view. The times of rise, transit and set of a planet can be determined. Click on the link below to the web site of BoPlanets to see BoPlanets running as an applet.

  • CRUSH Icon


    Data reduction and imaging for select astronomical cameras

    CRUSH is a pioneering reduction and imaging suite for many astronomical cameras operating at far-infrared, submillimeter and millimeter wavelengths, such as SHARC-2, SCUBA-2, LABOCA, GISMO, or SOFIA/HAWC+ (to name a few).

    Downloads: 1 This Week Last Update: See Project
  • Months4Mathematica Icon


    more calendar conversions, epochs, JDN, moon, +

    extra astronomical / calendar / epoch features that mathematica does not have. has many new functions. supports multiple calendars (julian, gregorian, synodic, anomalistic). supports JDN conveniently, shows moon phase est. NEW: supports day number from 0 of any calendar conversion all-way between supported calendars supports multiple epochs and epoch generation. convert between some epochs without calendar support, ie, J2000.0, JDN, to some effect can create/import epochs and use TAI clock << Months`Months` {PrettyDate[], PrettyDate[calendarChange2[Date[], gregorian, julian], julian], MoonPhase[]} {"Sunday, July 13 2014. 2:37:04 p.m. -4 GMT", "Saturday, Iunius 30 2014. 2:37:04 p.m. -4 GMT", "Full Moon"} timeDeduce, a minor extra: deduce and show other times / angles, using time eqn. input: GMT,lon,tz,arieslon output: input + SHA,Ra,LHA ; in dn,tm or ang (for historic reasons files are also in

    Downloads: 1 This Week Last Update: See Project
  • PSRCHIVE Pulsar Data Archival & Analysis

    PSRCHIVE is an application suite and development library for use in the storage and analysis of pulsar astronomical data. It includes an extensive range of algorithms and tools commonly used in a wide variety of experiments.

    Downloads: 1 This Week Last Update: See Project
  • QSAS Icon


    Analysis and display software targeted at space physics data. See documentation at

    Downloads: 1 This Week Last Update: See Project
  • libadb

    Astronomical Database

    libadb is an astronomical catalog management library desgined to provide fast access to astronomical object data.

    Downloads: 1 This Week Last Update: See Project
  • ATNF IVOA Tools

    Library of Java code to interact with the data-recording formats (RPFITS and PSRFITS) used at the Australia Telescope National Facility (ATNF). It also provides tools for extracting metadata from the files for supply to Virtual Observatory instances.

    Downloads: 0 This Week Last Update: See Project
  • Astro And Calc Icon

    Astro And Calc

    Calculate Astronomical Data

    Berechnung astronomischer Erscheinungen.

    Downloads: 0 This Week Last Update: See Project
  • Celestial Precomputation Icon

    Celestial Precomputation

    Sight Reduction for Air Navigation with Python

    This Python TK application calculates a good set of stars for a 3 star fix, makes all calculations similar to the FAAs Celestial Computation Sheet (see FAA doc FAA-H-8083-18). Also, you can create a PDF file that generates Pub 249 Vol 1 for any epoch you specify. The PUB249 as PDF is found under "Files". I wrote this for my aircraft bubble octant :-) It is mainly useful for air navigation as it assumes a bubble sextant but may be used for normal sextants as well. Requires Ephem and ReportLab (optional for PDF output) Not to be used for real-world navigation!

    Downloads: 0 This Week Last Update: See Project
  • Device Control Device

    A client program compatible with the INDI standard (see for remote telescope and device control. It works under Windows as well as Linux. It is writen in Python and uses the GTK in order to display the GUI.

    Downloads: 0 This Week Last Update: See Project

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