Application settings

Observation site coordinates

Before using the program, you should set your geographical coordinates. It is used for computation of the azimuth, altitude of variable stars and the solar and lunar data.

Observation site coordinates
Predefined locations

If you make ephemerides for more locations, you can save the geographical position for each place into the table of predefined locations and then recall the settings in the configuration dialog.

Twilight

The default settings of twilight is the nautical twilight, which ends and starts when the solar elevation angle is 12 degrees below the horizon. It is possible to change this value in a special configuration dialog. This dialog is accessible from the Setup dialog by the Advanced settings button.