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no picture available	WCSTTools Description: WCSTools is a package of programs and a library of utility subroutines for setting and using the world coordinate systems(WCS) in headers of the most common astronomical image formats,FITS and IRAF.imh, to related image pixels to sky coordinates.This software is all written in very portable C, so it should compile and run on any computer with a C compiler.Download version 3.5.7,catalogs and subroutines available. Added on: 04-Feb-2005 hits: 218Report broken link \| Details
no picture available	The Universe Simulator Description: The Universe Simulator project's goal is to provide a set of libraries for simulating all known and understood physical phenomena. Added on: 20-Oct-2003 hits: 386Report broken link \| Details
no picture available	The Sun API Description: A practical, highly accurate way to calculate key Solar values fo designing sundials; doing solar architecture design and for; annual almanac calculations; calculating ephemerides. The Sun API works equally conveniently for Visual Basic; DeltaCAD; Microsoft Excel Worksheets. All other compiled and interpreted computer languages that can call functions in .dll files. Freeware version available. Added on: 01-Oct-2004 hits: 837Report broken link \| Details
no picture available	The Scientist and Engineer's Guide to Digital Signal Processing Description: by Steven w.Smith Ph.D. California Technical Publishing ISBN 0-9660176-3-3(1997) can be downloaded by chapter or total (640 pages) in PDF Format for free!Site has aurthor's documentation. Added on: 04-Feb-2005 hits: 172Report broken link \| Details
no picture available	The IDL Astronomy User's Library Description: The IDL Astronomy Users Library is a central repository for low-level astronomy software written in the commercial language IDL. The Library is not meant to be an integrated package, but rather is a downloadble collection of procedures from which users can pick and choose (and possibly modify) for their own use. Added on: 21-Jan-2004 hits: 192Report broken link \| Details
no picture available	PyEphem Description: PyEphem provides scientific-grade astronomical computations for the Python programming language. It can compute for arbitrary dates and locations the positions of the sun, moon, and planets, and any asteroids, comets, or earth satellites whose orbital elements are available. Additional functions can compute the angular separation between two objects in the sky, determine the constellation in which an object lies, and find the times at which an object rises, transits, and sets on a particular day. Added on: 01-Oct-2004 hits: 740Report broken link \| Details
no picture available	NOVAS Description: Naval Observatory Vector Astrometry Subroutines. An integrated package of subroutines for the computation of a wide variety of common astrometric quantities and transformations (...) The subroutines are available in ANSI standard Fortran and C. Added on: 20-Oct-2003 hits: 223Report broken link \| Details
no picture available	NeoEphemerix 2001 Description: Source code. This program is for astronomy hobbyists who want to create their own custom VB astronomical almanac program. It is a very complex program consisting hundreds of thousands of orbital computations. The program will generate high-precision ephemerides for the sun and planets from Mercury to Neptune. Added on: 27-Nov-2003 hits: 429Report broken link \| Details
no picture available	libnova Description: libnova is a general purpose, double precision, celestial mechanics and astronomical calculation library. The intended audience is C / C++ programmers, astronomers and anyone else interested in calculating positions of astronomical objects or celestial mechanics. libnova is free software. Added on: 20-Oct-2003 hits: 338Report broken link \| Details
no picture available	libAstronomy Description: libAstronomy tries to ease the use of astronomical functions in proper programs. Its goal is to make available many functions for computing positions of planets, moons of the planets and physical ephemerides, compute moon phases and constellation names. Added on: 20-Oct-2003 hits: 461Report broken link \| Details