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Command line options

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 running instance
--nosplash		Do not show the splash screen on startup
--daemon		Start the program in background without showing the main window
Options affecting the first active chart
--load	saved_file_name	Same as the LOAD server command
--search	object_name	Same as the SEARCH server command
--setproj	ALTAZ/EQUAT/GALACTIC/ECLIPTIC	Same as the SETPROJ server command
--setfov	00d00m00s or 00.00	Same as the SETFOV server command
--setra	RA:00h00m00s or RA:00.00	Same as the SETRA server command
--setdec	DEC:+00d00m00s or DEC:00.00	Same as the SETDEC server command
--setobs	LAT:+00d00m00sLON:+000d00m00sALT:000mOBS:name	Same as the SETOBS server command
--settz	Etc/GMT	Same as the SETTZ server command
--setdate	yyyy-mm-ddThh:mm:ss or “yyyy-mm-dd hh:mm:ss”	Same as the SETDATE server command

On Unix you can send a signal to the running program with the kill command:

Signal	Action
1, HUP	Reload the default chart and options
15, TERM	Gracefully close the program