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--- en:documentation:installation_of_extra_catalogs [2014/02/09 18:51] – add NOMAD pch
+++ en:documentation:installation_of_extra_catalogs [2020/04/07 19:51] (current) – [Activation of the catalogs] pch
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 ====== Installation of extra catalogs ======
 With //Cartes du Ciel-SkyChart// it is easy to install popular ready-to-use catalogs. You can download and use them for free. Most catalogs aren't larger than some tens of megabytes, these will be helpfull to many dedicated amateurs. \\
 But maybe you want to push things a little further. For example, you want your charts to display stars to a magnitude of 19. Then you need to download the USNO-A2.0 catalog. Before you start downloading, consider its size. Installed, this catalog will consume 6.11 GB. Still interested? See **[[installation_of_extra_catalogs#The_large_catalogs|The large catalogs]]**
 \\ \\
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 |cdc additional stars catalog| This add the following star catalog:\\ **Tycho-2** star catalog, containing data about 2.5 million stars to magnitude 11.\\ **WDS** the Washington Double Star Catalog, contains data of astrometric multiple star systems.\\ **GCVS** variable stars catalog with information about all kinds of variable stars. You can find here eruptive, pulsating, rotating, cataclysmic, eclipsing, intense variable X-ray stars and other types further subdivided in this one catalog.\\ **Search Index** for SAO, BD, HD, GC star number. | cat/tycho2 \\ cat/gcvs \\ cat/wds |total \\ 85 MB|
 | UCAC 4 catalog | This add the following star catalog:\\ **UCAC 4** star catalog, include 113 millions stars to magnitude 16. Read more information [[en:news:ucac4_catalog|here]] | cat/ucac4 |total \\ 5.9 GB|
+| GAIA DR2 | This add the following star catalog:\\ **GAIA DR2** star catalog, include up to 1.7 billion stars to magnitude 21. Many version available with different content and limiting magnitude to limit the download size. This require you use a version of Skychart higher than 4.1.1-3736. Read more information [[en:news:gaia_dr2|here]] | cat/gaia |total \\ 300 MB to 45 GB|
 |cdc additional nebulae catalog|A group of catalogs of Deep Sky Objects. \\ **GCM**: Globular Clusters in the Milky Way (Harris, 1999) contains data of 147 globular clusters close to our Milky Way. \\ **GPN**: Catalogue of Galactic Planetary Nebulae (Acker+, 1992). 1143 proven and probable planetary nebulae, and 347 possible planetary nebulae. \\ **LBN**: Lynds' Catalogue of Bright Nebulae (Lynds 1965). Also contains a cross-reference to NGC, Index Catalogue (IC), Sharpless (1959) Catalogue of HII regions, Cederblad (1956) Catalogue of Diffuse Galactic Nebulae, and Dorschner and Gurtler (1963).\\ **NGC2000**: This is a modernized collection of the New General Catalogue of Nebulae and Clusters of Stars (NGC), the Index Catalogue (IC), and the Second Index Catalogue composed by J. L. E. Dreyer (1888, 1895, 1908). Contains 13.226 Deep Sky objects, equinox B2000.0  \\ **OCL**: The fifth edition of the Lund Catalogue of Open Cluster Data, provides key information about all known open clusters in our Milky Way. \\ **PGC** Catalogue of Principal Galaxies, extract from the 2012 Hyperleda database, contains data about 1.5 million galaxies. | cat/gcm \\ cat/gpn \\ cat/lbn \\ cat/ngc2000 \\ cat/ocl \\ cat/pgc |total \\ 174 MB|
 |cdc_rngc_catalog.zip|By Wolfgang Steinicke reviewed and by **[[http://x.astrogeek.org/software/cdc/catalog.php|Jeff Burton]]** for //Cartes du Ciel-SkyChart// adapted list of NGC and IC objects, originally composed by Dreyer. Contains exactly data about 14.000 Deep Sky objects. Equinox here is 2000.0, this version dates from november 24th 2002. Activate this catalog in the first tab of the **[[catalog|catalog settings]]** dialog box by setting the path to the ".hdr" file.|cat/RNGC|2,54 MB|
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 ===== Activation of the catalogs =====
-You can activate or deactivate your catalogs with the dialog boxes from **Setup -> [[Catalog|Catalog]]**. Click the appropriate tab for your specific catalog.
+You can activate or deactivate your catalogs with the dialog boxes from **Setup -> [[Catalog|Catalog]]**. Click the appropriate tab for your specific catalog. \\
+Some catalog are moved to the Obsolete tab as they are replaced by more recent data. So also look here if you not find them.
 \\
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 ===== The large catalogs =====
+Most of this catalog are now obsolete and replaced by GAIA DR2. \\
+For a new installation look for GAIA DR2 above.\\
+But you can still refer to this documentation if you already own one of this old catalog or if you have a specific reason to use them.
 ==== HST GSC original FITS ====
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 ==== USNO-A2.0 ====
 As I said earlier, this is a large catalog. It contains data of 526,280,881 stars, among the data are the magnitudes in V and B. The limiting magnitude is at 19+. Unfortunatly, this catalog doesn't contain data about the proper motion.
-\\
-There are some versions of the 'USNO A' catalogs, the most recent is USNO A version 2.0. There is also a smaller subset from the 'USNO A' catalog. This summary is considerable smaller and is called USNO-SA 2.0.
-\\
-And then there is the USNO B version. Since the arrival of this catalog, the professionals consider USNO A2.0 as obsolete. USNO B contains data of 1 billion objects, complete with data about their proper motions. Unfortunatly, at the moment I don't know of FTP-sources to do a complete download of this catalog. At this moment (2009-01-25), //Cartes du Ciel-SkyChart// version 3 can't retrieve the data from online catalogs. In future releases, //Cartes du Ciel-SkyChart// will be able to retrieve the data catalog servers at the Internet. So, for the moment, stick with USNO A 2.0. It will do. ;-)\\ \\
-The installed catalog will occupy 6,11 GB on your media. To download the USNO-A2.0 catalog, use your favorite FTP-client like **[[http://filezilla-project.org/|Filezilla]]** to copy everything from \\
+There are some versions of the 'USNO A' catalogs, the most recent is USNO A version 2.0. There is also a smaller subset from the 'USNO A' catalog. This summary is considerable smaller and is called USNO-SA 2.0, but it is useless to plot a chart.
-  * **ftp://ftp.nofs.navy.mil/pub/outgoing/usnoa/** (uncompressed) or from \\
-  * **ftp://adc.astro.umd.edu/pub/adc/archives/catalogs/1/1252/usnoa/** (gz-compressed, use your favorite archive program like ZipGenius). \\
+And then there is the USNO B version. Since the arrival of this catalog, the professionals consider USNO A2.0 as obsolete. USNO B contains data of 1 billion objects, complete with data about their proper motions. See the next paragraph.
+The installed catalog will occupy 6,11 GB on your media.\\
+The 'USNO A' catalog is no more available from NOFS so I put a copy for you on my own web server.\\
+To download the USNO-A2.0 catalog, use the following link to copy everything from \\
+  * **https://vega.ap-i.net/pub/usnoa/** \\
 Wherever you retrieve your USNO-A catalog from, **make sure** that (after eventually decompression) your catalog contains files with a **//.acc// and //.cat extensions//**. Files from ftp://cdsarc.u-strasbg.fr/pub/cats/I/252/USNO_A2 contain files with a //.ppm// extension. I didn't get these to work with //Cartes du Ciel-SkyChart//, save yourself from this dissapointment.
-\\ \\
-Copy files one by one. If you don't do that, you 'll risk that your process will be killed at the server site, simply because your task allocated to much memory. (These files are large, remember?) After downloading, put all the files together in one directory if you didn't do that allready. Worth knowing might be that the FTP-server from ftp.nofs.navy.mil only accepts 'passive' connections. With the modern FTP-clients, that shouldn't be much of a problem. And keep in mind that those servers can be busy, despite their sluggish Internet connection. Be patient. ;-)
+Copy files one by one. If you don't do that, you 'll risk that your process will be killed at the server site, simply because your task allocated to much memory. (These files are large, remember?) After downloading, put all the files together in one directory if you didn't do that allready.
 \\ \\
 And again: Activate your catalog with the **Setup -> Catalog -> [[catalog#CDC_stars|CDC Stars]]** dialog box
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 Since the version 3.9 Skychart can use the USNO-B1.0 catalog in U.S. Naval Observatory format, 180 directory 000 to 179, each with 10 .acc and 10 .cat files, 78 GB total size.
-Unfortunately I still don't know where you can download this files. But if you have the chance to get them you know you can use them with Skychart.
+You can download this catalog using [[wp>BitTorrent_(protocol)|Bittorent]], download size is 46 GB:
+  * Get the [[http://www.ap-i.net/pub/skychart/usnob/usno-b1.0.torrent|torrent file]]
+  * Open the torrent file in your [[wp>Comparison_of_BitTorrent_clients|bittorrent client software]]. You can eventually select only the zone directory you want. Each zip file contain the catalog data for a one degree declination zone, the name of the file is the South Polar Distance (DEC+90) of the zone.
+  * When the download is complete unzip each of the 180 zip files to recreate the original catalog structure.
+  * Please keep seeding to help other to get the data!
 The configuration setting is in the **Catalog -> Obsolete** tab for two reason: to not bore the many people that cannot get this files, but also because I really think that NOMAD or PPMXL is a real improvement over this catalog.
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 The Naval Observatory Merged Astrometric Dataset (NOMAD) contains astrometric and photometric data for over 1 billion stars derived from the Hipparcos , Tycho-2 , UCAC2 , and USNO-B1.0 catalogs for astrometry and optical photometry, supplemented by 2MASS near-infrared photometry.
-See on this page the [[en:news:nomad|NOMAD installation]] detail with Skychart.
+See on this page the [[en:news:nomad|NOMAD installation]] detail with Skychart. The data itself need to be downloaded using Bittorrent.
+==== PPMXL ====
+The PPMXL catalog of positions and proper motions on the ICRS. Combining USNO-B1.0 and the two Micron All Sky Survey (2MASS). \\
+It contain about 900 million stars, is complete down to magnitude 20 and include the proper motion for every object.
+See on this page the [[en:news:ppmxl_catalog|PPMXL installation]] detail with Skychart. The full data is easily to download from the CDS.