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Skychart 4.0
Windows 32bit setup Windows 32bit zip Windows 64bit setup Windows 64bit zip Mac OS X x86_64 Linux Deb 32bit Linux Deb 64bit Linux RPM 32bit Linux RPM 64bit Linux TAR 32bit Linux TAR 64bit RPi ARM Deb 32bit RPi ARM Deb 64bit RPi ARM TAR 32bit RPi ARM TAR 64bit FreeBSD 64bit Source code ………………………………… Sourceforge Fosshub	35-50 MB Mar 19 2017	The Skychart software version 4.0 with basic catalog data, documentation and translation. Also take a look at the installation procedure for your platform, specifically if you want to upgrade from Windows 32bit version to the 64bit version.
Beta version
Development version		The unstable version if you are interested to test the latest features

Stars catalogs
Windows setup Windows zip Mac Linux Deb Linux RPM Linux tar ………………………………… Sourceforge	55-72 MB Mar 9 2013	This files install all the standard stars catalog down to magnitude 12, variables and double stars: Tycho2, GCVS, WDS Search index for SAO, BD, HD, GC Include a new search index for version 3.8
UCAC4 catalog V2
South -90/-30 Equator -30/+22.5 North +22.5/+90 Indexes MD5 checksum	450MB- 2700MB Mar 4 2013	This files are an extraction of the UCAC4 star catalog with stars down to magnitude 16. They contain only a part of the original catalog data. For each star it include: identifier, RA, Dec, magnitude, proper motion, color index. You can get only the stars visible for you. i.e. a northern hemisphere observer can get only the North and Equator files. Note that you need to use skychart version 3.7-svn2252 or later in order to use the index.
DSO catalogs
Windows setup Windows zip Mac Linux Deb Linux RPM Linux tar ………………………………… Sourceforge	30-42 MB Mar 9 2013	This file install all the standard nebulae catalog, including 1.5 million galaxies PGC2009 : NGC, PGC, GCM, GPN, LBN, OCL Include a new search index for version 3.8

DSO pictures
Windows Mac Linux Deb Linux RPM ………………………………… Sourceforge	110-130 MB May 1 2015	This files install 9700 pictures for object of the SAC database. New version with less compressed images and bug fix. After installing this package you need to open the picture setting and click the “Scan directory button”.

More data catalogs: