http://www.ap-i.net/skychart/ Wed, 08 Sep 2010 22:02:25 +0200 FeedCreator 1.7.2-ppt DokuWiki http://www.ap-i.net/skychart/lib/images/favicon.ico http://www.ap-i.net/skychart/ http://www.ap-i.net/skychart/en/documentation/advanced_search?rev=1239911169 From the menu: Edit -> Advanced Search, or from the icon on the Search group of the main bar. First, select the appropriate object type by a click one of the radio buttons. Then enter its ID in the bottom entry area. The buttons can help you to enter the catalog - and the object id at the right hand side of this area. When the object is found, the chart will be shifted so to display the object in the centre. Maybe you didn’t get a result, because SkyChart could not find the object… Thu, 16 Apr 2009 21:46:09 +0200 http://www.ap-i.net/skychart/en/documentation/calendar_asteroid?rev=1232197176 Shows the position, magnitude, Sun elongation, phase, rise, culmination and set time for the selected asteroid. You can simply select an asteroid from a picklist by clicking the combobox. This way, you can only select from the first 50 asteroids. The good part is that you can search for any listed asteroid, simply enter (a part of) the name or number, press the filter button, and select the asteroid from the combobox. Before you can show or search for asteroids, you must have a previously … Sat, 17 Jan 2009 13:59:36 +0200 http://www.ap-i.net/skychart/en/documentation/calendar_comet?rev=1242422271 Shows the position, magnitude, Sun elongation, phase, rise, culmination and set time for the selected comets. The elevation above horizon and azimuth at the twilight time are indicated to help observing comets near the Sun. This indicates if the comet is best observed on the morning or evening. Fri, 15 May 2009 23:17:51 +0200 http://www.ap-i.net/skychart/en/documentation/calendar_input_area?rev=1242417761 You can select the start date, end date and the number of days between each calculation, and the time when the positions are calculated. By default, the calculations are from the current date till the next five days at 0h UT. Beware of the calculation time, when you select a long timespan. Fri, 15 May 2009 22:02:41 +0200 http://www.ap-i.net/skychart/en/documentation/calendar_lunar_eclipses?rev=1232296365 All the information in this page comes from Fred Espenak, NASA/GSFC. You can visit his web site by clicking the large button at the top of the dialog box. The list shows the Lunar eclipses for the current century. This shows the date and time of the maxima, the type of eclipse, the saros number, the gamma value, the magnitude of the penumbra and umbra, the duration of the partial and total phases. The data from 1800 to 2100 are include with the basic version, you can download additional data f… Sun, 18 Jan 2009 17:32:45 +0200 http://www.ap-i.net/skychart/en/documentation/calendar_planet?rev=1232140230 Shows the position, magnitude, apparent diameter, illuminated fraction, rise, culmination and set time. Also the current position in altitude and azimuth is shown for the planets, the Moon and the Sun, for each selected date. Fri, 16 Jan 2009 22:10:30 +0200 http://www.ap-i.net/skychart/en/documentation/calendar_solar_eclipses?rev=1242424285 All the information in this page comes from Fred Espenak, NASA/GSFC. You can visit his web site by clicking the large button at the top of the dialog box. The list shows the Solar eclipses for the current century. It shows the date and time of the maxima, the availability of the detailed map, the type of eclipse, the saros number, the gamma value, the eclipse magnitude, the location of the eclipse maxima, the altitude of the Sun at this point, the path width in kilometers, and the duration of th… Fri, 15 May 2009 23:51:25 +0200 http://www.ap-i.net/skychart/en/documentation/calendar_twilight?rev=1242419285 This screen shows you the morning and evening twilight times for the dates as you had set in the input areas of the calendar. Twilight is distinguished in 3 sorts: * 1. civilian twilight the center of the sun is between 0º and 6º of arc below the horizon. (This period of time is not shown in SkyChart). * 2. Nautical twilight the center of the sun is between 6º and 12º of arc below the horizon. * 3. Astronomical twilight the center of the sun is between 12º and 18º of arc bel… Fri, 15 May 2009 22:28:05 +0200 http://www.ap-i.net/skychart/en/documentation/catalog?rev=1232286850 From the menu: Setup -> Catalog The Catalog dialog box has four tabs: * Catalog * CdC Stars * CdC Deep Sky * Obsolete Catalog From the menu: Setup -> Catalog -> Catalog Here you can add and activate all kinds of external catalogs previously built for SkyCharts with the CatGen utility. You can invoke Catgen by the CatGen button at the top right. Read more about the new creation or adaptation of existing catalogs for SkyCharts with CatGen here. Sun, 18 Jan 2009 14:54:10 +0200 http://www.ap-i.net/skychart/en/documentation/catgen?rev=1270457334 From the menu: Setup -> Catalog, then in the dialog, click the CatGen button on the right. You can download thousands of Catalog text files with data of any kind of celestial objects from the CDS or ADC web site, and other sources. Each one contains the information about a few tens to a many millions of objects. Mon, 05 Apr 2010 10:48:54 +0200 http://www.ap-i.net/skychart/en/documentation/chart_coordinates?rev=1242728030 From the menu: Setup -> Chart, Coordinates The Chart, Coordinates Setting has six tabs: * Chart, Coordinates * Field of Vision * Projection * Object Filter * Grid Spacing * Object List Setting Chart, Coordinates Chart Setting Here, you can specify the coordinate system used for the chart. The four available systems are: Tue, 19 May 2009 12:13:50 +0200 http://www.ap-i.net/skychart/en/documentation/date_time?rev=1242650887 From the menu: Setup -> Day / Time. You also can retrieve this dialog box by a click at the [Array] icon from the left bar, or by Setup -> All configuration options -> Date / Time. The Date/Time setting has two tabs: * Time * Simulation Mon, 18 May 2009 14:48:07 +0200 http://www.ap-i.net/skychart/en/documentation/detailed_information?rev=1231858438 How to retrieve detailed information * Click on a line of the Object List to get detailed information about the object. * Right-click on an object at the chart and select “About ...” in the pop-up window. * When edit label mode is on (the icon in the object toolbar): Click on an object label. * Get a “Neighbour” window by a click on the neighbour button in an information detail window and click on a line as with an Object List. Tue, 13 Jan 2009 15:53:58 +0200 http://www.ap-i.net/skychart/en/documentation/directories_and_files?rev=1282463163 Here is an overview of the directories and files on standard installations. Releases after 2009-01-11 Windows PurposeDirectoryexecutableskychart.exe (the main program)executablecdcicon.exe (the clock with many times)executablevarobs.exe (Variable Star Observer)InstallationC:\Program Files\cielUser settingsC:\Documents and Settings\[user]\local Settings\Application Data\Skychart (2000,XP) C:\Users\[user]\AppData\Local\Skychart (Vista,Win7) Some directories may be hidden, change the Explorer s… Sun, 22 Aug 2010 09:46:03 +0200 http://www.ap-i.net/skychart/en/documentation/display?rev=1242856248 From the menu: Setup -> Display. The Display setting has nine tabs: * Display * Color * Deep-sky colour * Sky colour * Lines * Labels * Fonts * Finder circle (Eyepiece) * Finder rectangle (CCD) Display From the menu: Setup -> Display -> Display The way stars and deep sky objects are displayed. Wed, 20 May 2009 23:50:48 +0200 http://www.ap-i.net/skychart/en/documentation/documentation_license?rev=1161152753 Copyright (c) 2006 Patrick Chevalley and the Skychart Documentation Team. This work is licensed under the Creative Commons Attribution-Share Alike 2.5 License. To view a copy of this license, visit <http://creativecommons.org/licenses/by-sa/2.5/> or send a letter to Creative Commons, 543 Howard Street, 5th Floor, San Francisco, California, 94105, USA. Wed, 18 Oct 2006 08:25:53 +0200 http://www.ap-i.net/skychart/en/documentation/faq?rev=1236944856 General :?: How can I contribute to Cartes du Ciel-SkyChart? You can contribute in several ways: * Try the last development version and report the bugs you found to the bug tracker. * Volunteer to write copy, or edit this text to solve spelling and grammatical errors. * Translate the program, or this web text into your native language. * Review the program code and propose your own improvements. * Please send me your ideas, I am interested in your suggestions. Fri, 13 Mar 2009 12:47:36 +0200 http://www.ap-i.net/skychart/en/documentation/installation_and_compilation_of_the_source_code?rev=1265612716 How to install the software from the source code Get the source code Create a new directory for the source code. You have two ways to get the code: * Download the source file skychart_v3_xxx_source.tar.gz to this directory and extract the files. On Linux use : tar xzf skychart_v3_xxx_source.tar.gz On Windows use 7-zip available from: <http://sourceforge.net/projects/sevenzip/> Mon, 08 Feb 2010 08:05:16 +0200 http://www.ap-i.net/skychart/en/documentation/installation_of_extra_catalogs?rev=1260433867 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 G… Thu, 10 Dec 2009 09:31:07 +0200 http://www.ap-i.net/skychart/en/documentation/installation_on_freebsd?rev=1232888478 Installing and running Cartes du Ciel-SkyChart v3 alpha 0.0.6 for Linux under FreeBSD FIXME This procedure needs to be adapted for the beta version. There is no more need for Kylix Qt, but you need to install libgtk1.2 and libgdk-pixbuf2. 1 - Make sure you have Linux binary compatibility installed & enabled. You can get it from ports or, even better, using sysinstall. Sun, 25 Jan 2009 14:01:18 +0200 http://www.ap-i.net/skychart/en/documentation/installation_on_linux_debian?rev=1251292527 The Debian package is available to enable automatic installation using apt-get. First, become root or use sudo on each command. Add Patrick Chevalley’s signature to APT: wget -q http://www.ap-i.net/pub/patrick_chevalley.gpg -O- | sudo apt-key add - Wed, 26 Aug 2009 15:15:27 +0200 http://www.ap-i.net/skychart/en/documentation/installation_on_mac_os_x?rev=1231062159 Prerequisites * A recent Mac with Intel processor, PPC processors are not supported at the moment. * Mac OS X 10.4 or better. Instruction to install the binaries on Mac OS X. * Download the install file, i.e. skychart-3.0.1.4-i386-macosx.dmg Sun, 04 Jan 2009 10:42:39 +0200 http://www.ap-i.net/skychart/en/documentation/installation_on_windows?rev=1232888777 Instruction to install the binaries on a Windows system It is possible to install the Cartes du Ciel-SkyChart version 3.0 over a full Windows version 2.76 in the same directory, and run the Cartes du Ciel-SkyChart 2.76 version apart from the 3.0 version. But you can also install the 3.0 version of Cartes du Ciel-SkyChart only. You can download the last stable (still Beta) version from SourceForge. You also could try the latest development version from here. Sun, 25 Jan 2009 14:06:17 +0200 http://www.ap-i.net/skychart/en/documentation/internet?rev=1233391755 FIXME The pictures internet_proxy.jpg, internet_orbit.jpg are obsolete and should be replaced. It doesn’t affect the usabillity of this document. Proxy From the menu: Setup -> Internet -> Proxy * HTTP Proxy If you are connected to Internet through a proxy, SkyCharts needs its parameters to work. The parameters are: Sat, 31 Jan 2009 09:49:15 +0200 http://www.ap-i.net/skychart/en/documentation/keyboard_shortcuts?rev=1280164200 Scale, Field of Vision * +: Zoom in * -: Zoom out * 1, 2, ...9, 0, a: predefined FOV range # * Mousewheel push: Zoom in * Mousewheel pull: Zoom out * Continuous left mouse click with drag of the mouse cursor: select a zone to Zoom in * Continuous left mouse click with drag of the mouse cursor: move the selected zone over the chart * left-click in the selected zone: confirm the Zoom Mon, 26 Jul 2010 19:10:00 +0200 http://www.ap-i.net/skychart/en/documentation/labels?rev=1243280986 The selection of the labels to be shown You can configure the automatic display of labels in SkyChart by Setup -> Display -> Labels. You also can set the font type, the font size, color, and which kind of objects to label. For stars and constellations you can set the type of content to fill the labels. Mon, 25 May 2009 21:49:46 +0200 http://www.ap-i.net/skychart/en/documentation/left_bar?rev=1239907513 Set date and time * Set date and time is a shortcut for Setup -> Date / Time. Observatory * Set observatory location is a shortcut for Setup -> Observatory. Setup * Configure the program is similar way to get to Setup. Thu, 16 Apr 2009 20:45:13 +0200 http://www.ap-i.net/skychart/en/documentation/line_commands?rev=1283341222 Cartes du Ciel - SkyChart accepts the following options on the command line: Option Parameter Function --config configuration file path Lets you specify the configuration file to use instead of the default “%LOCALAPPDATA%\skychart\skychart.ini” or “~/.skychart/skychart.ini” --unique Do not launch the program if another instance is already running but instead send the other options to the running instance --quit Use this option in conjunction with --unique to close the ru… Wed, 01 Sep 2010 13:40:22 +0200 http://www.ap-i.net/skychart/en/documentation/main_bar?rev=1239891805 The File Group * Create a new Chart is a shortcut for File -> New chart. * Open a chart is a shortcut for File -> Open. * Save the current chart is a shortcut for File -> Save as.... * Print the chart is a shortcut for File -> Print. Thu, 16 Apr 2009 16:23:25 +0200 http://www.ap-i.net/skychart/en/documentation/menuchart?rev=1239798204 FIXME The picture cdc_menu_chart.png should be updated with the current SkyChart version. It doesn’t affect the usabillity of this document. The Chart Menu enables you to configure the displayed chart according to your needs in a fast and easy way. If a more detailed configuration is needed, take a look at Setup -> Chart, Coordinates Wed, 15 Apr 2009 14:23:24 +0200 http://www.ap-i.net/skychart/en/documentation/menuedit?rev=1231276430 The Edit menu consists of the following items: * Advanced Search * Edit Label * Copy * Undo * Redo Advanced Search This brings you to the dialog box to do an advanced search for an object. You can search for planets, stars, deep sky objects, comets or asteroids. Click here to read more about the Advanced Search dialog box. Tue, 06 Jan 2009 22:13:50 +0200 http://www.ap-i.net/skychart/en/documentation/menufile?rev=1239391132 The File menu includes the following options * New Chart * Open * Save As * Close Chart * Reset chart and options * Calendar * Variable Stars * Save Image... * Print * Printer Setup * Exit New Chart The new V3 of Cartes du Ciel enables you to open different windows with separate sky charts. The advantage is that you can visualize different charts at the same moment for different locations, time or even display configuration. Fri, 10 Apr 2009 21:18:52 +0200 http://www.ap-i.net/skychart/en/documentation/menuhelp?rev=1239870303 Help Contents Here it is! Maybe you are viewing this help documentation from your local computer that came with your SkyChart installation. Keep in mind that the most recent help documentation is always available online. The online documentation is written for the most recent SkyChart version. Thu, 16 Apr 2009 10:25:03 +0200 http://www.ap-i.net/skychart/en/documentation/menusetup?rev=1232291448 Date/Time Gives you control over the used time in the chart. Here you also can make your settings to simulate the movement of objects in the solar system. A click the line Date/Time opens the configuration window. Have a look at this page for further details. Sun, 18 Jan 2009 16:10:48 +0200 http://www.ap-i.net/skychart/en/documentation/menutelescope?rev=1239804443 From the menu: Telescope SkyChart can be used to drive electronically controlled mounts, but you can also use SkyChart to retrieve instructions to turn knobs on a manually controlled mount. Anyhow, before you can use your telescope mount in combination with SkyChart, you need to configure the sort of mount and the driver from Setup -> System -> Telescope. Wed, 15 Apr 2009 16:07:23 +0200 http://www.ap-i.net/skychart/en/documentation/menuview?rev=1232736422 Full Screen From the menu: View -> Full Screen This resizes the CdC window to fill the entire screen. The display status of the tool bars, status bar, scroll bars and the menu bar will be unchanged. A new click on this entry resizes the CdC window to its original size. Pressing the F11 key is a shortcut for this function. Fri, 23 Jan 2009 19:47:02 +0200 http://www.ap-i.net/skychart/en/documentation/menuwindow?rev=1280164040 FIXME The picture menu_window.jpg is obsolete. No problem the for usability of this document Settings of the position and behaviour of the charts inside a SkyChart window. Link all Chart From the menu: Window -> Link All chart You can have more charts open with different fields of vision, rotations or different coordination grids set. When you activate to link all charts, all charts will copy the center position of the active chart. Every change of the center position in the… Mon, 26 Jul 2010 19:07:20 +0200 http://www.ap-i.net/skychart/en/documentation/object_bar?rev=1232892521 FIXME The picture “barre_objet.jpg” has dissapeared from the site. The object bar is displayed horizontally, just above the chart, under the main bar. It contains the icons that are related to the display of all kinds of things on the chart. Sun, 25 Jan 2009 15:08:41 +0200 http://www.ap-i.net/skychart/en/documentation/object_list?rev=1232193331 Click on the icon from the main bar to retrieve an exerpt from the catalogs for the displayed objects on the chart. To configure which object types are to be listed, you need to adapt the settings to your needs by Setup -> Chart, Coordinates -> the Object list Setting tab. Every row in this list corresponds to one of the displayed objects on the chart. At the bottom of the list the total amount of displayed objects is listed. Sat, 17 Jan 2009 12:55:31 +0200 http://www.ap-i.net/skychart/en/documentation/observatory?rev=1283600680 From the menu: Setup -> Observatory Settings This dialog box can be reached from the menu by: Setup -> Observatory, by the [Array] icon in the bar at the left hand side, or by Setup -> All configuration options -> All configuration options. Sat, 04 Sep 2010 13:44:40 +0200 http://www.ap-i.net/skychart/en/documentation/pictures?rev=1242986830 From the menu: Setup -> Pictures There are two locations to manage the FITS-formatted pictures: * CdC_directory\data\pictures\sac\ which contain the SAC object pictures. * Your_Documents\Cartes_du_ciel\pictures\ which is used to store the downloaded pictures from the DSS or the temporary pictures from RealSky. Fri, 22 May 2009 12:07:10 +0200 http://www.ap-i.net/skychart/en/documentation/pop_up_windows?rev=1233229916 This matrix shows the results of on-the-chart mouse actions: actiontargetopens on the chart:Left click on adisplayed objecta labelRight click on adisplayed objectthe chart pop-up window with extra object possibilitiesLeft click on alabel (edit label mode: on)the detailed info windowRight click on alabel (edit label mode: on)the editable label pop-up windowRight click on alabel (edit label mode: off)the chart pop-up windowRight click on aempty spot on the chartthe chart pop-up window Thu, 29 Jan 2009 12:51:56 +0200 http://www.ap-i.net/skychart/en/documentation/position_and_field_of_vision?rev=1232313210 From the menu View -> Position You can also open this window by clicking on icon in the main tool bar. Position This provides a quick and easy way to read or set the coordinates of the center of the chart. Coordinates can be equatorial or azimuthal. The conversion is done automatically. You also can read the equinox setting of the equatorial coordinate system that your chart uses. If you want to change this, you can specify the equinox (and epoch) for your chart by the tab Chart, Coordina… Sun, 18 Jan 2009 22:13:30 +0200 http://www.ap-i.net/skychart/en/documentation/quick_start_chart?rev=1234202150 Guide content * Installation * The Chart * The Solar System * Deep Sky Objects * Driving a telescope * Cartes du Ciel-SkyChart as an application server When you start Cartes du Ciel-SkyChart, it will display something like this: [Cartes du Ciel-SkyChart Window] Mon, 09 Feb 2009 18:55:50 +0200 http://www.ap-i.net/skychart/en/documentation/quick_start_deep_sky?rev=1239048408 Guide content * Installation * The Chart * The Solar System * Deep Sky Objects * Driving a telescope * Cartes du Ciel-SkyChart as an application server Stars You can switch on/off the display of stars with the Chart -> Show Objects -> Show stars dialog box or the icon in the object bar. Mon, 06 Apr 2009 22:06:48 +0200 http://www.ap-i.net/skychart/en/documentation/quick_start_guide?rev=1238442274 Memento download Memento is the roadmap how to reach all the facilities in SkyChart / Cartes du Ciel. To print this easily, the memento is available in an OpenDocument (’Open Office’ document) or in PDF format. [memento_1.1.1_en.odt] [memento_1.1.1_en.pdf] Mon, 30 Mar 2009 21:44:34 +0200 http://www.ap-i.net/skychart/en/documentation/quick_start_server?rev=1232894706 Guide content * Installation * The Chart * The Solar System * Deep Sky Objects * Driving a telescope * Cartes du Ciel-SkyChart as an application server FIXME Please, correct my poor english :-\ Sun, 25 Jan 2009 15:45:06 +0200 http://www.ap-i.net/skychart/en/documentation/quick_start_solar_system?rev=1267361378 Guide content * Installation * The Chart * The Solar System * Deep Sky Objects * Driving a telescope * Cartes du Ciel-SkyChart as an application server Planets You can switch on/off the display of the Sun, planets and satellites with the Chart -> Show Objects -> Show planets dialog box or the icon in the object bar. Sun, 28 Feb 2010 13:49:38 +0200 http://www.ap-i.net/skychart/en/documentation/quick_start_telescope?rev=1232894743 Guide content * Installation * The Chart * The Solar System * Deep Sky Objects * Driving a telescope * Cartes du Ciel-SkyChart as an application server FIXME Please, correct my poor english :-\ Sun, 25 Jan 2009 15:45:43 +0200 http://www.ap-i.net/skychart/en/documentation/right_bar?rev=1239908948 FIXME The icons for the cardinal directions N, E, S, W seem to have dissapeared (i37.png to i40.png) This doesn’t affect the usability of the document. The Field of Vision group These icons are shortcuts for Chart -> Field of Vision -> .... Here you can set the width/height of the displayed field of vision of your active chart to a predefined value (in degrees of arc). A click on the icon sets the FOV to 360°. You can change the default settings for the fields of Vision by Setup … Thu, 16 Apr 2009 21:09:08 +0200 http://www.ap-i.net/skychart/en/documentation/server_commands?rev=1232312035 SkyChart can work as a server. It accepts the following commands from a TCP/IP connexion: Main Commands Command Parameters Comment or GUI Equivalent NEWCHART chart_name File -> New Chart CLOSECHART chart_name File -> Close Chart SELECTCHART chart_name Window -> chart_name LISTCHART Window SEARCH object_name Search tool (Main Bar) GETMSGBOX Returns the status bar content GETCOORBOX Returns the coordinates shown in the status bar GETINFOBOX Setup -> Display -> Lab… Sun, 18 Jan 2009 21:53:55 +0200 http://www.ap-i.net/skychart/en/documentation/server_information?rev=1242417322 FIXME Unfortunately, nobody has written this yet. Feel free to do so! Fri, 15 May 2009 21:55:22 +0200 http://www.ap-i.net/skychart/en/documentation/software_license?rev=1161153102 Cartes du Ciel software, Copyright (c) 2006 Patrick Chevalley This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU … Wed, 18 Oct 2006 08:31:42 +0200 http://www.ap-i.net/skychart/en/documentation/solar_system?rev=1242807902 From the menu: Setup -> Solar system You can make settings for the Solar system objects in four tabs: * Solar System * Planet * Comet * Asteroid Solar System In this tab, you can specify the directory with the pictures of the planets. These will be used when you enable the display of planets with the checkbox and click the “Realistic images” radio button by Setup -> Solar System -> Planet. Wed, 20 May 2009 10:25:02 +0200 http://www.ap-i.net/skychart/en/documentation/start?rev=1283029293 You can contribute to these pages . Features * Features from each new version Installation * Installation on Linux Debian * Installation on FreeBSD * Installation on Windows * Installation on Mac OS X * Installation and compilation of the source code * Installation of extra catalogs Sat, 28 Aug 2010 23:01:33 +0200 http://www.ap-i.net/skychart/en/documentation/status_bar?rev=1231875977 You will find the status bar at the bottom of your SkyChart window. It is split in two: the coordinates part at the left, an information summary at the right hand side. Left Here you can find two lines which display the coordinates of the current cursor position at the chart. The line on top will be in the coordination system as you set the chart. The line at the bottom will display the position according to the equatorial coordination system, except when you set your chart to use the equato… Tue, 13 Jan 2009 20:46:17 +0200 http://www.ap-i.net/skychart/en/documentation/system?rev=1242994636 System In this window, you can manage the SkyChart database. It contains the orbital elements of comets and asteroids, SAC picture information, information about the DSS/RealSky pictures and information of observatory locations. In order to display comets and asteroids, SkyChart needs to calculate the ephemeris, and store them in a database. But before SkyChart can do that, you need to download fresh files with orbital elements for comets and asteroids. See the comet and asteroid tabs from … Fri, 22 May 2009 14:17:16 +0200