Mode of use for PC and Mac compatible with the plugin Macromedia Flash 5 or 6. Check if your browser integrates this plugin, if not download it on the site www.macromedia.com and install it for your browsers Internet.
1) Left Click on the "SYSTEM UT"button which grab the date and hour U.T. of your computer, longitude by defect is put at 0. This button reset error fields in the event of typing error.
2) Input data for your location : date, time (U.T.) and of course, longitude. Longitude East are negative, ie if a longitude is eg 7 degrees 21 minutes East of the Greenwich meridian, then enter -7 for "d"field and 21 for "m" field, for less than 1 degree east, eg 40 minutes East, enter 0 for "d"field and -40 for "m"field. Western longitudes do not need the + sign, as values default to the positive.
3) Left click on the "CALCULATE" button. You will see the position of Polaris on the reticle according to your parameters.
NOTE : - Short cuts keyboard for the 3 buttons (capital letters): KeyPress T = click on "SYSTEM UT" button KeyPress U = click on "update" button KeyPress C = click on "CALCULATE" button
Align your mount by moving the mount until the position of Polaris from this program, is in the same position on the reticle of your polar finder. Make sure that the mount is initially adjusted with the bubble level horizontal in order to calibrate your local meridian line.