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Top Ten Links

• IRAF (942)
  The main IRAF distribution includes a good selection of programs for general image processing and graphics, plus a large number of programs for the reduction and analysis of optical and IR astronomy data (the "NOAO" packages). Other external or layered packages are available for applications such as data acquisition or handling data from other observatories and wavelength regimes such as the Hubble Space Telescope (optical), EUVE (extreme ultra-violet), or ROSAT and AXAF (X-ray). These external packages are distributed separately from the main IRAF distribution but can be easily installed. The IRAF system also includes a complete programming environment for scientific applications, which includes a programmable Command Language scripting facility, the IMFORT Fortran/C programming interface, and the full SPP/VOS programming environment in which the portable IRAF system and all applications are written.
• GLU : Uniform Link Generator (814)
  GLU is a tool developed by CDS (Strasbourg) for managing heterogeneous distributed Web services.
• PyRAF Homepage (800)
  The PyRAF homepage at STScI
• CCD Amateurs (787)
  This site carries information about usage of CCD by amateurs for astronomical photography. [mostly in French]
• STIFF -- FITS to TIFF converter (657)
  STIFF is a program that converts scientific FITS images to the more popular TIFF format for illustration purposes.
• GeoAstro Applet Collection (645)
  Interactive Java applets display the position of sun and moon on the horizon for any date, time and location. The times of rise and setting, twilight, the declination, hour angle, the equation of time and more data are computed.
• Stellar Evolution Adaptive & Modulary Code (645)
  "Yellow CESAM" is a stellar structure and evolution computation code. It is written in FORTRAN 77 and it can be compiled using g77. It comes with opacity tables, nuclear reaction rates and simple input files. This code is a modified version of the CESAM code originally written by P. Morel from Nice Observatory (France) and it has been already used in many published works.
• AstroViewer - quick orientation in the night sky (637)
  AstroViewer is a Java applet, that helps you to find your way in the night sky quickly and easily.
  AstroViewer allows you to:
  • display a sky map
    • for any time,
    • for any position on Earth,
  • find out the names and other information about the celestial bodies (stars, planets, etc.) on the display,
  • find celestial bodies,
  • find constellations,
  • display a map of the solar system.
• ASC (608)
  The Astro Space Center as a branch of Lebedev Institute of Physics has a number of commitments for space experiments in the areas of upper atmospheric, solar, and astronomical research aboard Radioastron , Kvant and other space projects. Division scientists are involved in major research thrusts that include interferometric observations, studies of the solar atmosphere by using spectrographic techniques, and studies of astronomical ranging from the ultraviolet through cosmic rays. The division maintains facilities to design, construct, assemble, and calibrate space experiments.
• ADHOC (576)
  ADHOC is a 3D complete package to acquire, display and reduce data from Perot-Fabry scanning interferometer devices. ADHOC runs on PC's under WINDOW9x or WINDOWS NT systems. ADHOC is the main software used by the Interferometric Group of Marseille's Observatory to reduce the 3D data coming from Photon Counting or CCD observations. It contains also general 2D modules useful for simple imagery. ADHOC software has been designed in 1987 in order to reduce data from the scanning Pérot-Fabry instrument CIGALE built in Marseille's Observatory. Up to 1998, the successive versions of ADHOC run on DOS operating systems. The new version will offer also to reduce TIGER and PYTHEAS observational data.