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Astronomy Software on the Internet
Program Titles: S - Z
Home Page: http://www.astrosoftware.net/ Aggiungi Astrosoftware
Version Release Date:
Shareware version: Freeware
Filename: sat260en.exe Size: 300 KB
Details: It visualizes the monthly graphs of the brightest satellites of Jupiter and Saturn. The created images can have saved or printed.
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Home Page: http://www.physics.sfasu.edu/astro/dansoftware.html Dan Bruton
Version Release Date: 29/04/94
Shareware version: Freeware
Filename: satsat2.zip Size: 97 KB
Details: SATSAT is a MS-DOS program that will use the time and date from your computer's clock to determine and display the approximate locations of the moons of Saturn. The rings of Saturn are also displayed and Saturn's coordinates, and other data are given as well.
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Home Page: http://www.adpartnership.net/ScopeDriver/ Stephen E. Hutson American Dream Partnership Software
Version Release Date: 7/05/02
Shareware version: Yes
Filename: SD121final.sit Size: 4.6 MB
Details: ScopeDriver is an enhanced software interface for your astronomical telescope. It allows you to connect a Macintosh to an LX-200 (or compatible) telescope.
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Home Page: http://setiathome.ssl.berkeley.edu/
Version Release Date:
Shareware version: Freeware
Filename: setiathome_win_3_03.exe Size: 794 KB
Details: SETI@home is a scientific experiment that harnesses the power of hundreds of thousands of Internet-connected computers in the Search for Extraterrestrial Intelligence (SETI). You can participate by running a program that downloads and analyzes radio telescope data. There's a small but captivating possibility that your computer will detect the faint murmur of a civilization beyond Earth.
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Home Page: http://web.fc-net.fr/frb/sundials/shadowspro/gb/defaut.htm François Blateyron
Version Release Date: 11/11/03
Shareware version: Freeware
Filename: shadows2.zip Size: 1.2 MB
Details: Shadows is the tool you need if you want to build your sundial, by painting, sculpting or engraving it. You will concentrate on your practical skills as you do not need to spend time with the calculations and drawings. You are free to build a true piece of art! Shadows provides you with the information you missed before. If you are more than just curious about sundials and you want to use expert functions, or even use Shadows for a professional activity, you will appreciate the extended features of Shadows Expert and Shadows Pro.
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Home Page: http://www.radiosky.com/sidclockdownload.html Radio-Sky Publishing
Version Release Date: 27/07/00
Shareware version: Freeware
Filename: sidclock.zip Size: 1.5 MB
Details: What is a sidereal clock? Astronomy buffs (radio and the other kind) often use a special clock which is based upon "star time". If you used your normal clock and timed when a distant star passed due south of you each night, you would find that each night it passed about 4 minutes earlier. That happens because in addition to the 360 degrees the Earth rotates in 24 hours it also moves 1/365.25 of its orbit around the Sun. Thus, we swing into position to see a given point in the sky a little earlier every night.
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Home Page: http://www.sky3D.com/
Version Release Date:
Shareware version: Yes
Filename: sky3d20.zip Size: 4.7 MB
Details: Have you ever imagined soaring in a spaceship beyond the confines of the Milky Way and looking at it from the outside? Unfortunately, our technology isn't quite there yet, but in the meantime you can settle for the Sky3D program.
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Home Page: http://www.southernstars.com/skychart/index.html Southern Stars Software
Version Release Date: 7/05/02
Shareware version: Yes
Filename: SkyChartlll351Demo.exe & SkyChartlll351Demo.bin Size: 3.8 MB
Details: SkyChart III is an advanced planetarium program that accurately simulates and displays the sky as it appears in the present, as well as thousands of years in the past or future. The sky can be viewed from any place on Earth, or from any object in the solar system or beyond it. And, SkyChart III supports a number of popular computer-controlled telescopes and digital encoders, allowing you to enjoy the benefits of computer aided observing. SkyChart III is provided on a CD-ROM that includes the both the Windows and Macintosh versions of the program. The database on the CD-ROM contains the entire Hubble Guide Star Catalog - over 19 million objects! The CD also includes a smaller database of 300,000 objects based on NASA's SKY2000 Master Star Catalog.
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Home Page: http://www.skygate.us/skygate/skygate.html Wayne L. Gary
Version Release Date:
Shareware version: Yes
Filename: skygate.zip Size: 1.0 MB
Details: SkyGate is a full function astronomy database and planetarium system. Database objects are plotted on a graphical display of the sky. The user is then provided with point and click access to the datatabase records and telescope control for Celestron's Compustar. Night vision is provided via OS/2 scheme palette. SkyGate also includes SkyView, a 32 bit viewer for .gif, .bmp, .pcs and other image formats.
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Home Page: http://tdc-www.harvard.edu/software/skymap.html Doug Mink
Version Release Date: 20/08/98
Shareware version: Yes
Filename: skymap4.5.solaris.tar.Z Size:
Details: SKYMAP is an astronomical mapping program written in Fortran and C for Unix workstations by Doug Mink of the Smithsonian Astrophysical Observatory Telescope Data Center. If you just need positions, several other options are available. rgsc for the Guide Star Catalog and star and its variants for other catalogs use the same Fortran and C code as skymap.
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Home Page: http://www.skymap.com Chris Marriott
Version Release Date: 2/11/03
Shareware version: Yes
Filename: smp10eval.exe Size: 8.6 MB
Details: Chris Marriott's SkyMap Pro is a CD-ROM planetarium and star-charting program for Microsoft Windows 95/98/ME/2000 and Windows NT4. Written by astronomers, for astronomers. SkyMap Pro is equally suited for use by both the casual "star gazer" and the serious amateur or professional astronomer, although its feature list will appeal especially to the more "advanced" user. Chris, the author of SkyMap, frequents the newsgroup sci.astro.amateur. He is always available to answer queries, this is an invaluable resource. The program is excellent and very easy to use. On his web page there are data sets, comet information, and even some alternate Constellation diagrams.
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Home Page: http://www.skyfoto.com/ Bob Allevo
Version Release Date:
Shareware version:
Filename: Size:
Details: SkyFoto is a computer program that will provide you with the correct exposure duration based on your selection of subject, optical system, film speed, and filter(s). No other computer program in the world is available to the general public that will offer you the ease of determining the correct exposure duration for astrophotography that SkyFoto will. Take a tour by way of logical steps through this site and see how easy you can take pictures through your telescope or just your camera.
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Home Page: http://www.fourmilab.ch/skyscrsv/ John Walker
Version Release Date: 18/09/00
Shareware version: Freeware
Filename: skyscr31.zip Size: 190 KB
Details: The Sky Screen Saver shows the sky above any location on Earth, including stars (from the Yale Bright Star Catalogue of more than 9000 stars to the 7th magnitude), the Moon in its correct phase and position in the sky, and the position of the Sun and all the planets in the sky. Outlines, boundaries, and names of constellations can be displayed, as well as names and Bayer/Flamsteed designations of stars brighter than a given threshold. A database of more than 500 deep-sky objects, including all the Messier objects and bright NGC objects can be plotted to a given magnitude. The ecliptic and celestial equator can be plotted, complete with co-ordinates. To fulfill its mission as a screen saver, the sky map shifts position on the display every 10 minutes to avoid burning in those few components of the display which do not move as the Earth revolves. The Sky Screen Saver is in the public domain. You can do anything you like with it.
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Home Page: http://www.southernstars.com/skysight/index.html Southern Stars Systems
Version Release Date:
Shareware version: Freeware
Filename: skysight10b1.exe Size: 2.2 MB
Details: SkySight is a new program from Southern Stars Systems for CCD camera control and astronomical image processing. It can control many of the astronomical CCD cameras currently on the market, and it makes the image processing tasks commonly required for astronomical images straightforward and automatic. SkySight is intended to be used as a companion to our sky simulation and telescope control program, SkyChart III. SkyChart III helps you find your way around the sky. SkySight lets you see what's in it. Together, SkyChart III and SkySight provide a complete solution for sky simulation, telescope control, CCD camera control, and image processing. They represent an unprecedented combination of features, ease-of-use, and value for serious amateur astronomer.
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Home Page: http://www.skyhound.com/skytools.html Greg Crinklaw CapellaSoft
Version Release Date: 15/08/02
Shareware version: No - Commercial only
Filename: Size:
Details: SkyTools is our latest program, designed to aid observers with observation planning, charting, and logging. SkyTools excels at telling you what you can observe on a given night and how to find it. SkyTools offers power previously available only to professional astronomers in a package that virtually anyone can use. This program makes eight different kinds of charts, plots comets and asteroids, and shows the visible moons and features of the planets. Custom finder charts are created automatically when you enter the information for your own telescope or binoculars. The database comes on CD-ROM and is among the most sophisticated and extensive available.
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Home Page: http://www.skyviewcafe.com/index.php Kerry Shetline
Version Release Date:
Shareware version: Freeware
Filename: Size:
Details: Sky View Café is a Java applet that lets you use your web browser to see many types of astronomical information, in both graphical and numerical form. You can see which stars and planets will be out tonight in the sky above your home town, see how the next solar or lunar eclipse will look from Los Angeles, or find out when the Moon rose over Sydney on your birthday ten years ago. Sky View Café includes star charts, a 3-D orrery, displays of the moons of Jupiter and Saturn, an astronomical event calendar, an ephemeris generator, and many other features.
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Home Page: http://www.silverfrost.com/ Silverfrost
Version Release Date:
Shareware version: Yes
Filename: Solarkingdomdemo.exe Size: 15.75 MB
Details: You can at long last fly around the solar system, in full 3D. View Io in its volcanic splendour or watch star occulations behind Saturn's rings as the planet moves out of view. All these and much, much more are possible in full 24-bit colour with eye popping 3D and high frame rates. And then... when you have found your object of interest a button press brings up the integrated encyclopedia. Every planet and moon has its own entry. Over 200 pages and 500 images make Solar Kingdom a unique product.
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Home Page: http://www.mistaril.com/ssm.php Kai-Peter Baeckman Mistaril
Version Release Date: 17/10/03
Shareware version: Yes
Filename: SpaceStationManagerTrialSetup.exe Size: 4.3MB
Details: Realize your dream of building a space station with this relaxing game. Enabled with an intuitive interface you will be building your dream station withing minutes. Let your creativity flow and apply you problem solving skills to master higher levels of station building lore. If you feel like taking a break you can just sit back and watch the earth flow slowly below.
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Home Page: http://www.geocities.com/SiliconValley/Code/7659/welcomee.htm
Version Release Date: 7/07/00
Shareware version: Freeware
Filename: spicae13.zip Size: 1.26 MB
Details: Spica allow you to: see maps of the sky; see the trajectories of the planets in the sky; have a picture of Saturn in 3D and of 6 main satellites; see Jupiter's great red spot and Jupiter's 4 satellites; see the solar system in 3D, it's possible to move, to see more than 2800 asteroids; zoom on some particular parts of the sky as if you were using a telescope; see the graph of conjunctions; see the dance of a planet around the Sun; and have the ephemerids.
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Home Page: http://www.skylab.com.au/ Paul J Mayo Skylab Astronomy Software
Version Release Date: 1/10/02
Shareware version: No - Commercial only
Filename: Size:
Details: A comprehensive Star Charting tool custom built to assist Amateur Astronomers in locating the position of Deep Sky Astronomical Objects, planning observations, and exploring new Variable and Double Star data returned in the Hipparcos Stellar Catalogue.
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Home Page: http://www.relex.ru/~zalex/main.htm Alexander E.Zavalishin
Version Release Date: 25/12/01
Shareware version: Freeware
Filename: sc57en.zip Size: 752 KB
Details: StarCalc is the fastest professional astronomy planetarium & star mapping program for Windows 95/98/NT today. It illustrates star positions of any instance of the day observed from any geographic locations on the Earth. The star positions can be viewed and presented as images of semispherical whole sky or any of the user defined sub-areas. These images can be zoomed at different scales, rotated, screen-captured and printed. Best of all StarCalc is freeware.
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Home Page: http://www.izzy.net/~jc/StarCats/StarCats.html Jim Campbell
Version Release Date: 1/04/01
Shareware version: Yes
Filename: starcat096_win.zip Size: 396 KB
Details: Starcat is a viewer for the Bright Star, Hipparcos and Tycho star catalogs for use under Windows or Linux. The default catalog is the Bright Star Catalog with over 9000 stars. The Hipparcos catalog contains over 100,000 stars (above) and the Tycho catalog over 1,000,000 stars. StarCats is a visualization tool for these catalogs which also gives direct access to the catalog record data for any star by pointing and clicking.
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Home Page: http://www.geocities.com/goloveshin/ Goloveshin Alexander
Version Release Date: 29/10/01
Shareware version: Yes
Filename: stardrive.zip Size: 2.4 MB
Details: StarDrive is an astronomic planetarium program and can be used for drawing realistic image of the sky. There are some important advantages from other planetarium program: (1) StarDrive pass by universal (slow) Windows GDI and GUI, through using DirectX and StarDrive’s GUI for quickly and smooth drawing. (2) Using a simply properties of graphic accelerator StarDrive more realistically drawing galaxies and nebula.
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Home Page: http://www.stargaze.force9.co.uk/copernicus/stargaze251.html Ray Middleton Copernicus
Version Release Date:
Shareware version: Yes
Filename: stargaze251.zip Size: 1.35 MB
Details: Draws naked-eye maps of the sky for any location on earth showing the positions of the sun, moon, planets, stars and some Messier objects. Maps can be saved as Windows bitmaps, Windows metafiles or printed out.
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Home Page: http://www.stargazersoft.com/ StargazerSoft
Version Release Date: 23/07/02
Shareware version: Yes
Filename: StarGazerE.sit Size: 4.2 MB
Details: Stargazer's Delight (for MacOS) shows you: the sky, seen from any location on earth; more than 260'000 stars!!; planets, minor planets, galaxies, star clusters etc.; all constellations and their boundaries, the phases of the moon, the apparent brightness of the planets, the length of day; the paths of the planets, animations of the sky, great pictures of the planets etc.; animated tutorials on selected astronomical questions and much more!
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Home Page: http://www.starrynight.com/ Siennasoft
Version Release Date:
Shareware version: No - Commercial only
Filename: Starry Night Backyard Size:
Details: With Starry Night Pro, you can view stunningly realistic star fields from 20,000 light-years out, or from your own backyard. You can add images, Internet links and your own custom data sets. You can even track the latest satellites, comets and asteroids. What's more, with over 19 million celestial objects, Starry Night Pro offers instantaneous access to our unique 3D implementation of the complete Hipparcos star database, plus the Hubble GSC, NGC/IC and PGC catalogues, as well as the Messier deep-space objects. With Starry Night Pro, you're limited only by your imagination.
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Home Page: www.astroscan.net/ScreenSavers/Stars/stars.htm AstroScan Media
Version Release Date:
Shareware version: Yes
Filename: stars.exe Size: 6.6 MB
Details: Using images created for the planetarium show "Stars of the Night Sky" this screen saver displays many of the prominate constellations. A vibrant image details the constellation and the best time of year to see it, while the second is a star chart. The screen saver also includes a sampling of galaxies, nebula, star cluster and a comet.
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Home Page: http://www.starstrider.com/ Markus Jönsson and Alexis Brandeker
Version Release Date:
Shareware version:
Filename: stars20b2b.zip Size: 6.5 MB
Details: A dark and clear night can be quite an experience. Watching all these pale spots we call stars, and recalling that each of these stars are suns in themselves, makes us aware of the incredible distances between them. In fact, the stars are so distant that, until recently, we thought that they all were glued onto a giant celestial sphere. That's why the constellations always look the same, and that's why planetarium programs make you think the sky is two-dimensional. Not so any more. StarStrider will allow you to let your imprisoned mind free. With the help of StarStrider you will be able to travel to the stars and watch their alien skies. Ever seen the constellations from Sirius? With StarStrider it's possible! Go where no man's gone before. Travel to Vega and see how the Sun pales to a faint star, a star among thousands of others. Look at the Pleiades from behind! With ordinary red/blue 3D-glasses your experience will be even greater. Now you can see the variable distances to the stars - without even leaving our solar system if you don't want to! Cassiopeia looks really different when you realise that the constellation isn't just a flat W. You'll also learn to appreciate the fact that the closest stars are not always the brightest.
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Home Page: http://stellaris-software.com/
Version Release Date: 11/08/03
Shareware version: Yes
Filename: Stellaris110.exe Size: 3.6 MB
Details: Astronomy shareware that simulates the night sky and solar system by displaying space images. All available functions can be calculated for a user-definable time interval and displayed as a graph. Includes various utilities such as an astronomical calculator.
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Home Page: http://stellarium.free.fr/ Fabien Chéreau
Version Release Date: 16/01/04
Shareware version: Freeware
Filename: stellarium-0.5.2.exe Size: 3.3 MB
Details: Stellarium is a free software available for Windows, Linux/Unix and MacOSX. It renders 3D photo-realistic skies in real time. With stellarium, you really see what you can see with your eyes, binoculars or a small telescope
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Home Page: http://www.davidpaulgreen.com/tcol.html David Paul Green
Version Release Date: 2/07/02
Shareware version: Freeware
Filename: TCOL.pdf.zip Size: 3.0 MB
Details: The Caldwell Observing Log (TCOL) is very similar to The Ultimate Messier Object Log, except it describes the 109 objects described by Sir Patrick Caldwell Moore in his Caldwell Catalog. These objects include the Veil Nebula, North American Nebula and other worthwhile sights. While many of these objects are beyond the reach of smaller scopes, some can be seen without a scope at all! (i.e., The North American Nebula.) I've produced TCOL in cooperation with the Astronomical League. The current version is a preview, and is available in PDF version only. Full database versions of TCOL will be available soon, and will include descriptions of the objects by Sir Patrick himself!
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Home Page: http://www.eveningshow.com/the_fourth_day.htm Starstone Software Systems
Version Release Date: 1/02/02
Shareware version: Yes
Filename: setup4day.exe Size: 5 MB
Details: The Fourth Day is an astronomical clock and almanac for your system tray (Windows 95 or later). An accurate 3D simulation of the Earth as lit by the sun is presented. Enter your latitude and longitude, or select from over 23,000 database entries, and The Fourth Day will calculate the time of your sunrise and set, the start and end of civil twilight, and your local noon (when the sun is highest in the sky). Multiple user options allow for customization of the earth display, and you can set your PC's clock over the Internet using the master time server at the US Naval Observatory. Astronomy buffs will appreciate the real-time display of Julian Day, and both local and Greenwich sidereal time.
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Home Page: http://www.cpac.freeserve.co.uk/solar.htm Brendan Murphy
Version Release Date: 25/02/02
Shareware version: Freeware
Filename: planets202.zip Size: 95 KB
Details: A small On-Line Jave application that offers information on the planets from your location. Can be downloaded to run from your desktop. Produced by Castle Point Astronomy Club (Essex, UK). Features: Jupiter's Moons, Galilean Transits, Shadow Transits, Galilean Phenomena, Table Great Red Spot, Rings of Saturn Saturn's 8 Visible Moons, Smooth Animation, Animated Solar System Map of the Sky.
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Home Page: http://www.bisque.com/Products/TheSky/TheSky.asp Software Bisque
Version Release Date:
Shareware version: No - Commercial only
Filename: Size:
Details: TheSky is an easy-to-use, full-featured, graphical astronomy program that turns your personal computer into a personal planetarium. Experience virtual observing with your computer. TheSky Astronomy Software brings to your desktop the wonder and fascination of viewing the heavens, whether you are tracing your first constellation, or hunting for yet–discovered celestial bodies. TheSky is as simple to use as it is powerful. Questions along the way? Our comprehensive user’s manual and detailed on-line help will assist you in learning its many features.
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Home Page: http://www.davidpaulgreen.com/tumol.html David Paul Green
Version Release Date: 6/08/01
Shareware version: Freeware
Filename: "tumolappr30.sit, tumolappr30.zip" Size: 3.1 MB
Details: The Ultimate Messier Object Log (TUMOL) is a FileMaker Pro 4.0 database that contains relevant information for all 110 Messier objects. It contains various layouts to assist amateur astronomers in documenting their search for deep sky objects.
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Home Page: http://www.philharrington.net/tuba.htm Phil Harrington
Version Release Date:
Shareware version: No - Commercial only
Filename: Size:
Details: The only star atlas designed specifically for use with binoculars! Conceived by Dean Williams of Cabot, Arkansas, the atlas plots all of the objects listed in the book plus shows stars to 11th magnitude, a reasonable limit for giant binoculars. (Of course, you can adjust that to show fewer stars, as desired.) It does NOT show deep-sky objects that require a telescope to be seen, unlike some other so-called binocular star atlases.
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Home Page: http://www.diardsoftware.com/ Diard Software
Version Release Date:
Shareware version: Yes
Filename: univ163.zip Size: 1.08 MB
Details: Create realistic images of deep space. First, create your star field and then add nebula, stars, vortex, lens flares, planets, and galaxies. Requires Windows 95/98 or Windows NT. Version 1.63 is a new release. It includes unlimited Undo/Redo to help you create your images. This release is a free update. If you have earlier versions of Universe Image Creator (stand-alone), we recommend you uninstall the previous version and install UIC v1.63. We think you'll like being able to Undo/Redo over and over and over again.
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Home Page: http://www.astrosurf.com/astropc/varobs/index.html Patrick Chevalley Astro-PC
Version Release Date: 4/06/01
Shareware version: Freeware
Filename: varinst.exe Size: 554 KB
Details: This program help you to plan and log variable stars observations. This is not a data analysis software, please don't try to use it for that. The main windows show for each star in the current input file the time of next minima and maxima and the estimated actual magnitude. A mouse right click on a line show you a menu to enter a new observation or to show the estimated light curve and your observation point.
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Home Page: http://www.astrosurf.com/avl/UK_index.html Patrick Chevalley and Christian Legrand
Version Release Date: 26/10/03
Shareware version: Freeware
Filename: vma20.zip Size: 12.7 MB
Details: This software, realized by Patrick Chevalley and Christian Legrand can visualize the Moon aspect for every date and hour. It permits also to study lunar formations with unique databse and pictures library compiled by Christian Legrand.
It's conceived to be easily usable in the field according to an observing session needs, but also to study at home the Moon and its relief. It's interfaced with Sky charts - Patrick Chevalley's freeware. This set is certainly now one of the most complete released
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Home Page: http://virtualskysoft.de/asappsen.htm Astronomiesoftware Dings
Version Release Date:
Shareware version: Yes
Filename: vskyeval.zip Size: 3.7 MB
Details: Virtual Sky: A planetarium software not only for a quick view to the sky but also for precise charts of faint objects, asteroids with high accuracy positions (numerical integrated), identifying artificial satellites, conjunctions. Virtual Sky can be configured individually and has lot's of tools which many other planetariums lack.
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Home Page: http://www.carinasoft.com/ Carinasoft
Version Release Date:
Shareware version: Yes
Filename: WV323Demo.exe & WV323Demo.sea.bin Size: 9 MB
Details: Since Voyager's introduction in 1989, it has been the leading Macintosh astronomy program, evolving through four product updates, each offering new features and capabilities. While preserving the popular features of earlier versions, Voyager III offers exciting new ways to experience the wonders of the night sky. It is available for Macintosh and now for Windows 95/98/2000 (December, 2000).
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Home Page: http://www.stella2000.com/wda.htm Coeli
Version Release Date:
Shareware version: Yes
Filename: wdademo.exe Size: 1.0 MB
Details: This program will help you understand many of the terms used by astronomers. It has over 2000 entries with links to associated terms with search and index tools. You can also append notes to selected entries or copy the information into other applications.
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Home Page: http://www.clearskyinstitute.com/xephem/xephem.html Elwood Downey Clear Sky Institute
Version Release Date: 9/01/02
Shareware version: No - Commercial only
Filename: xephem-3.5.2.tar.gz Size: 2.5 MB
Details: The description for XEphen used to be: "Xephem is a very powerful and popular astronomical software package available for various UNIX platforms, including Linux. It is also completely free. Xephem is the de facto standard for astronomy packages on UNIX and it is fast becoming the standard by which all programs, commercial or not, are compared." Now there are Windows and MacOS versions available but these are commercial.
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Home Page: http://www.astroarts.com/products/xplns/index.html AstroArts
Version Release Date: 24/05/02
Shareware version: Yes
Filename: xplns-3.3.0-1glibc21.i386.rpm Size: 1.46 MB
Details: Xplns reproduces real starry sky on your display of X Window System. It calculates the position of many celestial objects (stars, galaxies, nebulae, constellations, planets, comets, etc.) very accurately. You can enjoy the past and future sky on the desk top as if you have traveled all around the world. In solar system projection mode, you can examine motion of solar objects.
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Home Page: http://www.astrotrf.net:8080/xsky_blurb.html Terry R. Friedrichsen
Version Release Date: 24/04/02
Shareware version: Freeware
Filename: xsky.tar.gz Size:
Details: xsky is an X Window System program which is essentially an interactive sky atlas. The familiar actions of scrollbars, sliders, and pointer gestures such as clicking and rubberbanding can be used to move around the sky, adjust the magnification, select a region to view, and bring up detailed catalog information on any object. Objects can be located by name or position, and labelled with either catalog labels or custom user labels. Stars are plotted with colors corresponding to spectral class, and size corresponding to apparent magnitude. Non-stellar objects are drawn in several shapes according to the type of object represented. Right ascension and declination lines can be generated, and constellation boundaries and outlines are available. A PostScript file containing all this information can be generated for printing. For a complete exposition of xsky's capabilities, please see the SUMMARY file in the distribution.
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