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Table of Contents
Testing PHD2 interface
Setup
You need to install a Skychart version superior to skychart-3.11-3015, available form the “Download beta version” link on the left panel.
Launch Skychart and display a free Tool box panel, for example press F4 key.
Click the “Script” button under “Configuration”.
Click the “Load” button and navigate to the Skychart installation directory (C:\Program Files\Ciel on Windows, /Application/Cartes du Ciel on Mac or /usr/share/skychart on Linux).
Then open the directory data/script/ and select phd.cdcps file, click OK.
Close the Script editor window.
Connection to PHD
Start PHD2 and check that Tools / Enable server is checked.
In Skychart you can change the host on which PHD is running and the connexion port. If Skychart and PHD run on the same computer you can just keep the default values.
Click the “Connect” button. The status must change to “Connected” and indicate the current state of PHD.
Initialize PHD as usual and start guiding. The state must change to “Guiding”.
Use the Lock shift function
This function allow you to keep your telescope pointed on a moving object while guiding on a star.
Click on a moving object in the map, for example an asteroid or comet. The object displacement in arcsec/hour is show.
To send this displacement rate to PHD click the “Set rate” button. The current PHD lock shift status is displayed to confirm the change.
To start the shifted guiding on the moving object click the “Off” button. The button text change to “On” and the PHD status change to “True”.

