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Cartes du Ciel / Sky Charts Sky Charts 2.7November 2001by Patrick Chevalley Home page : http://www.astrosurf.com/astropcThis program enables you to draw sky charts, making use of the data in 16 catalogs of stars and nebulae. In addition the position of planets, asteroids and comets are shown.The purpose of this program is to prepare different sky maps for a particular observation. A large number of parameters permit you to choose specifically or automatically which catalogs to use, the colour and dimension of stars and nebulae, the representation of planets, the display of labels and coordinate grids, the superimposition of pictures, the condition of visibility and more.These features make this celestial atlas more complete than a conventional planetarium. Please look at the catalog descriptions in the documentation for explanation about the catatogs used and how to obtain other catalogs for use with the program. For most of them you must use a binary version available from the web site. DocumentationWhy freeware?I originally developed this program for my personal use, because I like to adapt my tools to my needs. In my opinion the functionality of Sky Charts might be of interest to amateur astronomers or students. Therefore I decided to distribute it as freeware. I feel that you should invest your money in buying a good eyepiece rather than to waste it on software!Terms and conditions"Sky charts" is a freeware. You can freely install and use an unlimited number of copies for your personal use or redistribute it freely with the restriction that you must not modify it and that you include all the documentation files. Any commercial use is, however, prohibited. For the conditions and citations of the single catalogs, please refer to the original descriptions in the files ".TXT" in the subdirectory "CAT\". ThanksI would like to thank the Centre de Données Astronomiques de Strasbourg as well as the Astronomical Data Center who make accessible valuable astronomical catalogs to any amateur astronomer.Sky Charts uses catalog extracts provided by these two institutions:5/50 Bright Star Catalogue 5th Revised Ed. Hoffleit+ 19915/102 SKY2000 - Master Star Catalog Version 2 Sande+ 19981/197A Tycho Input Catalogue Revised version Egret+ 19921/239 The Hipparcos and Tycho Catalogues ESA 19971/259 The Tycho-2 Catalogue Hog+ 20001/220 The HST Guide Star Catalog Lasker+19921/237 The Washington Visual Double Star Catalog USNO 20002/214 General Catalog of Variable Stars Kholopov+ 19982/219 New Catalogue of Suspected Variable Stars Supplement Kazarovets+ 19987/118 NGC 2000.0 Dreyer 1888, Sky Publishing ed. Sinnott19887/155 Third Reference Cat. of Bright Galaxies de Vaucouleurs+19917/119 Catalogue of Principal Galaxies Paturel+ 19995/84 Strasbourg-ESO Cat. of Galactic Planetary Nebulae Acker+19927/9 Lynds' Catalogue of Bright Nebulae Lynds 19657/202 Globular Clusters in the Milky Way Harris 19977/92A Open Cluster Data 5th Edition Lynga 19876/79 Lunar Solution ELP 2000-82B Chapront-Touze+ 19886/87 Planetary Ephemerides Chapront+ 19966/49 Constellation Boundary Data Davenhall+ 1989I would also like to mention the US Naval Observatory who kindly supplies the USNO-SA1.0 CD-ROM, the Central Bureau for Astronomical Telegrams for the elements of comets and asteroids and their permission to distribute these files, and Lowell Observatory for the asteroids elements.The Saguaro Astronomy Club distributes Database Version 7.1Michael. G. Christensen produces the FITS table with Uranometria 2000 charts boundaries.Eclipse Predictions by Fred Espenak, NASA/GSFCSatellite calculations use QuickSat by Mike McCants,Iridium flare predictions use Iridflar by Robert MatsonThanks to both for permission to include their software and datawith this package.
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