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--- el:download [2019/10/17 14:39] – [Software] pch
+++ el:download [2022/03/27 09:37] (τρέχουσα) – [Software] pch
@@ Γραμμή 8: / Γραμμή 8: @@
 | {{page>:url_skychart}} |25-40 MB\\ Oct 17 2019 | The Skychart software version 4.2 with basic catalog data, documentation and translation.\\ Also take a look at the [[en:documentation:start#installation|installation procedure]] for your platform. |
 ^Beta version ^^^
-|[[http://sourceforge.net/projects/skychart/files/0-beta/|Development version]]| | The unstable version if you are interested to test the latest features|
+|[[https://sourceforge.net/projects/skychart/files/0-beta/|Development version]]| | The unstable version if you are interested to test the latest features|
 ==== Additional Catalog ====
@@ Γραμμή 16: / Γραμμή 16: @@
 ^UCAC3 catalog ^^^
 | {{page>:url_ucac}} |400MB- 2300MB| This files are an extraction of the [[en:news:ucac3_catalog|UCAC3]] 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, aperture magnitude, proper motion, approximate 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. \\ Only the stars not in Tycho2 and fainter than magnitude 10 are include. So you must always activate the Tycho2 along with this catalog. |
+^GAIA DR2 catalog^^^
+| {{page>:url_gaia}} |\\ 1.1GB\\ 7.3GB\\ 34GB \\ Jun 11 2018 | This files install the [[en:news:gaia_dr2|GAIA DR2]] star catalog with stars down to magnitude 21.\\ The [[https://en.wikipedia.org/wiki/BitTorrent_(protocol)|Torrent download]] is more reliable for this big files. \\ Download the 3 files and [[https://www.7-zip.org/|extract]] all in the same directory. You can install only the first file if you want. See [[en:news:gaia_dr2|this page for more options]] \\ On Windows be careful to not extract the rar files directly in C:\Program Files\Ciel\ as this may pose problem with the user right management. |
 ^DSO catalogs ^^^
 | {{page>:url_dso}} |30-42 MB\\ Sep 11 2010  | This file install all the standard nebulae catalog, including 1.5 million galaxies PGC2009 :\\ NGC, PGC, GCM, GPN, LBN, OCL |
@@ Γραμμή 27: / Γραμμή 29: @@
 **More data catalogs:**
-  * [[http://x.astrogeek.org/software/cdc/catalog.php|Catalogs prepared by Jeff Burton]]
   * [[http://www.schoenball.de/|Catalogs prepared by Martin Schoenball]]
   * [[http://www.ap-i.net/skychart/uk/catalogues|Catalogs prepared by Oleg Maliy]] and [[http://cdccat.site90.net/?page_id=11|new archives.]]
+  * [[https://www.stelledoppie.it/index2.php?menu=74|Catalogs based on up-to-date version of the WDS prepared by Gianluca Sordiglioni]]