141. XEphem 3.7 Interactive astronomy program for Unix systems with X Windows and Motif. open source Unix http://www.clearskyinstitute.com/xephem/

142. Carina Software http://www.carinasoft.com/

143. Automatic Redirection To The New LunarPhase Pro Page ! Location Changed ! Please note the new location is http//www.nightskyobserver.com/LunarPhaseCD. Ensure you update your bookmarks. http://indigo.ie/~gnugent/dnso/software.htm

! Location Changed ! Please note the new location is http://www.nightskyobserver.com/LunarPhaseCD Ensure you update your bookmarks. This page will automatically redirect in 5 seconds. If this does not work for any reason use the link below: http://www.nightskyobserver.com/LunarPhaseCD

144. Skysoft :: Astronomical Software Directory Welcome to Skysoft, the usersupported astronomical software database. Skysoft is a YAASD (Yet Another Astronomical software Directory), http://www.skysoft.org/

@import url("themes/skysoft/style/style.css"); Member Login Software Database Search News ... Web Resources Main Menu Software database Home About Us Sections News User's views Search FAQ ... Recommend Us User's Login User name Password Remember me Log in Problems? New User? Sign Up! How to submit changes/additions You are a non-registered user. To submit a software, a web-link or just a modification, you can register and operate directly, or send me a mail Welcome to Skysoft! Welcome to Skysoft, the user-supported astronomical software database. Skysoft is a YAASD (Yet Another Astronomical Software Directory), but with a different overall approach. Our choice is to design this site as a community supported directory . The idea is that content remains timely because of frequent user interaction. Users and developers are invited to contribute with software news, user's views, comments and bugs notifications, and general astronomical news. This site is designed so that software developers acquire more visibility because of astronomical context. Developers can post a brief description of their product, with the classification which can ease the search and retrieval of software projects. Our goal is to be useful to both end-users and developers. We host all software kinds, from general data reduction packages, to specialized libraries, to small specific tools.

145. Astronomical Software - Ovidiu Vaduvescu Reference this software works for the Astronomical Yearbook of the AIRA; The software runs 15 astronomical catalogues, organised in two database http://www.geocities.com/ovidiuv/astrsoft.html

Astronomical Software by Ovidiu Vaduvescu Revised April 2005 1. SELECT (1.5 Kb; 1992); Selecting stellar astrometrical databases obtained at the meridian circle of the AIRA; Given data: file containing the chronological observations; Precision of comput: accurate; 2. ORDON (8 Kb; 1992); Ordering stellar astrometrical databases obtained at the meridian circle of the AIRA; Given data: file containing the chronological observations; Precision of comput: accurate; 3. PASTE (38 Kb; 1992) [Download] Computing both the Catholic and Orthodox Easter date for an interval; Given data: start year, number of years; Precision of comput: accurate; 4. PASTEOES (24 Kb; 1994) [Download] Collaboration with Edgar SOULIE, Societe Astronomique de France; Computing the Orthodox Easter date for an interval; Given data: start year, stop year; Precision of comput: accurate; 5. COM_AS (22 Kb; 1992) [Download] Computing an approximate geocentrical ephemeridae of a comet or asteroid; Given data: comet: orbital elements (epoch of passing, revolution period, semi-major axis, eccentricity, argument of perigee, longitude of the ascending node, inclination), comput date; small planet: orbital elements (semi-major axis, eccentricity, argument of perigee, longitude of the ascending node, inclination, mean motion, mean anomaly, epoch), comput date; Precision of comput: alpha 1min, delta 5';

146. MICA - Multiyear Interactive Computer Almanac An easyto-use astronomical almanac from the US Naval Observatory, About MICA is a software system that provides high-precision astronomical data in http://aa.usno.navy.mil/software/mica/micainfo.html

U.S. Naval Observatory Astronomical Applications Department MICA: Multiyear Interactive Computer Almanac MICA Version 2.0 Software for PCs and Macs An easy-to-use astronomical almanac from the U.S. Naval Observatory About MICA Features System Requirements Delta T Updates ... Ordering Information About MICA MICA, the Multiyear Interactive Computer Almanac, is a software system that provides high-precision astronomical data in tabular form for a wide variety of celestial objects. MICA computes many of the astronomical quantities tabulated in the The Astronomical Almanac . However, MICA can compute this information for specific locations and specific times, thus eliminating the need for table look-ups and additional hand calculations. Designed primarily for professional applications, MICA is intended for intermediate-to-advanced users. Basic knowledge of astronomical terminology and positional astronomy is assumed. MICA provides essential data for use in: Astronomy and astrophysics Space science Geodesy and surveying Geophysics Meteorology Environmental science Operations planning Accident reconstruction and litigation Illumination engineering Architecture Photography Top About MICA Features Requirements ... Ordering Features MICA was first released in 1993 for MS-DOS and Apple Macintosh systems. MICA 2.0 provides all the data available in earlier versions of the software:

147. Astronomical And Space-Related OS/2 Software Also note the following astronomical software sites, including software for OS/2 and other platforms. Bill Arnett s Astronomical software Guide http://www.seds.org/~spider/os2/astro2.html

Astronomical and Space-Related OS/2 Software SEDS has a small but hopefully fine collection of astronomical and space-related OS/2 software Blackbody sources Ephem 4.28 : Ephemeris calculator for OS/2 (Unix port) XEphem for OS/2 , port by Mark Goldberg (goldber at primenet.com) of Elwood Downey's XEphem program , using EMX, XFree86 for OS/2 and Lesstif for XFree86/OS2 , the free Motif clone for OS/2 (for more information see the Lesstif for XFree86/OS2 description by Michael Holzapfel). XEphem version 3.1 for OS/2 is also available from Mark Goldberg's site PM Mond : Native OS/2 PM Lunar Phases Calculator Newton PM : Simulations of planetary systems and multiple stars. Native PM, SFX PM Globe 32 : Spinning Earth globe and distance calculator [ description Skygate : Planetarium and telescope control program demo (Native OS/2 PM). By Wayne L. Gary of AstroGrafx. Also note AstroGrafx Skygate page Cosmos for OS/2, Part 1 and Part 2 : Native OS/2 PM Planetarium Program Demo , by Mensys (Netherlands). Note

148. Real-Time PC Software For Astronomical Observers By Robert Sheaffer Free RealTime Interactive Windows software for Astronomical Observers. http://www.debunker.com/astro/rtguipage.html

May 23, 2005: Ver. 6.2 has improved "Best of the Sky" algorithm. Updated NGC data (especially missing magnitudes) gives more accurate searches. Quickly find Planets, Messier Objects, Caldwell Objects, NGC/IC Objects, Named Stars, and >300 Double Stars. Real-Time Interactive Windows Software for Astronomical Observers - Now with Scripting for Telescope Automation. New: Read the FAQ - or - Find Out What's new Read or Join the new Yahoo Group for RTGUI. it ROCKS! It's simple, small, and interfaces to Cartes du Ciel. What more can you ask for?" - Astronomy author Rod Mollise. Read his review of RTGUI (Acrobat PDF reader is required). Free Windows Program - Controls Most "Goto" Telescopes Press a button for "Goto", or for an 'Instant Skychart' of the selected object! Rapidly locate deep-sky objects or bright stars. Unusually rich search capabilities - each entry has up to five different names (Example: M1, NGC 1952, CrabNebula, Taurus, Planetary Create a custom "tour" based on your own criteria (by constellation and/or object type, elevation, magnitude). New: RTGUI+S will give a prioritized list of the "Best Objects" in the sky, based upon the time and location. Save or Print any such "tour" or "list".

149. K3's Astronomy Home Page K3 s astronomy Home Page. http://www.pk3.org/Astro/

150. The Astronomical Software Directory Service: Distributed Documents---Centralized We have indexed astronomical software documentation, which is maintained By two years ago, when we announced the Astronomical software Directory Service http://iraf.noao.edu/iraf/web/ADASS/adass_proc/adass_95/payneh/payneh.html

Next: The NCSA Astronomy Digital Image Library Previous: CCMA/ESF: The European Scientific Network on Converging Computing Methodologies in Astronomy Table of Contents Search PS reprint Astronomical Data Analysis Software and Systems V ASP Conference Series, Vol. 101, 1996 George H. Jacoby and Jeannette Barnes, eds. The Astronomical Software Directory Service: Distributed Documents-Centralized Searchable Index H. E. Payne, R. J. Hanisch Space Telescope Science Institute A. Warnock A/WWW Enterprises Abstract: We have created a service on the World Wide Web for discovering astronomical software. Tools allow us to create a searchable index of documents distributed across the Web, rather than maintaining a centralized collection of documents. We have indexed astronomical software documentation, which is maintained directly by the software providers at their home sites. In addition, we also provide a uniform set of high-level package descriptions. 1. Introduction There is a lot of software of interest to astronomers, and astronomical software developers. Still, finding the software to solve a particular problem can be difficult. Sometimes we end up re-writing software, and sometimes we get something from a friend of a friend. Neither solution is optimal. About three years ago, we started to think about a solution to this problem. The tools we were using for discovering software were archie and COSMIC. We liked archie as a free and open system, but felt limited because only file names are indexed-it's hard to find something unless you know what it is called, i.e., what you are looking for. NASA's COSMIC project distributes software developed under NASA contracts. It is not free, and not very well known.

151. Fourmilab http://www.fourmilab.ch/

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152. Southern Stars Systems http://www.southernstars.com/

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