Surf these sites: AstroPy -- [open source - multiplatform] Development and integration of tools and numerical algorithms into the Python scripting language. Cell -- [freeware - DOS] A floatation mirror cell design program for reflecting telescopes. Deep-Sky Planner -- [commercial - Win95/98/NT] An easy-to-use astronomical observing, imaging, and photography planning tool. Deepsky 99 - Software for Observers -- [shareware - Win95/98/NT] Deepsky 99 solves an important need for amateur and professional observers. The software allows the user to plan a productive observing session and record what was observed quickly and easily. Engineering Calculations -- Home of free optics design software, KDP (Klein''s Design Program) giving links to download sources and insight into optical design software methods. Eyepiece -- [freeware - DOS] Helps determine the appropriate eyepiece for specific sky objects (double stars, nebulae, and galaxies), assists in selecting nebular filters, and performs prime-focus astrophotography calculations. Many images are included. Mouse, VGA graphics, 386 & above CPU req''d. JPL Planetary and Lunar Ephemerides -- [commercial - multiplatform] This CD contains three Jet Propulsion Laboratory Planetary and Lunar Ephemerides along with a toolbox of FORTRAN subroutines that allow the user to obtain the coordinates of the Sun, Moon, and nine major planets. Multiyear Interactive Computer Almanac -- [commercial - DOS, Macintosh] A software system that provides high-precision astronomical data in tabular form for a wide variety of objects; it calculates much of the information tabulated in the benchmark annual publication, The Astronomical Almanac, but it goes beyond traditional almanacs by enabling you to calculate data for specified locations at specified times within a fifteen year interval (1990-2005). NGCView -- [commercial, demo available - Win95/98/NT] Astronomical Observation Suite - Astronomical observation and logging software. PyEphem -- [open source - multiplatform] A module for performing astronomical computations using the Python scripting language. SkySight -- [commercial, Win/Mac] CCD camera control and image processing, includes SkyChart III. dObjects -- [commercial, demo available - Win95/NT] Astronomical database and observing planner/log. Includes references to popular astronomical magazines, books, and Internet resources.
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