The LogViewer program can be used to view data.The file to be viewed can be selected from the file menu. Viewing options are selected using the buttons down the right hand side.A portion of the file can be selected by pointing and holding the left mouse button to bracket the required portion of the data. The view may be saved in a number of different formats including a popular spreadsheet csv format.The file displayed above can be found here. It is a Solar transit from today (25 April, 2008).
A 3 hour trial, tracking RA 05:34:0 dec+22:00:57, was made on the 24 April, 2008, to determine the accuracy or tracking sources over long time periods. The result may be downloaded here