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	Cartes du Ciel, Sky Charts 

	Patrick Chevalley 

        http://www.astrosurf.org/astropc
	pchev@geocities.com

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This program convert the Tycho Catalogue I/239 (ESA 1997)
for use with "Cartes du Ciel" / "Sky Charts" program.
In the first field enter the complete directory path where you put the file 
tyc_main.dat of the original catalog ( keep this file in Unix fomat, 
do NOT convert it in cr+lf format). 
In the second field enter the path where to install the converted catalog, 
I suggest you keep the default: <Sky Chart path>\cat\tycho
You must have 25 MB free disk space on the destination directory.
Press "Conversion" key and be patient... there are 732 files and 1'058'332 stars. 
This may take from ten minutes to more than one hour, depending on your machine. 
When it finish press *Exit" key.

Terms and conditions 
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"Sky charts" is a  freeware. You can freely install and use an unlimited number of copies for your personal
usage under the restriction that you must not modify it and that you have to include all the documentation
files. Any commercial use is however prohibited. 

For the terms and conditions of the single catalogues, please refer to the original descriptions in the
respective subdirectories under \CAT (files ".TXT"). 


