
To Change Magnification: Click the appropriate button (100X - 400X) on
the control panel.  The current magnification appears in the upper left
corner of the image display.

To Take a Reading: Press and hold the left mouse button and move the
cursor until the satellite is centered in the crosshairs.  As you move
the mouse, the current position appears on the control panel.  When the
satellite is carefully centered, release the mouse button and record the
reading, the date, and the identity of the satellite.

To Make the Next Observation: After measuring the positions of all the
satellites, click the "Next" button and the image will advance by the
amount of time you specified.  Note that a certain percentage of nights
will be "cloudy".

To Quit: When you have completed your observing run, select "Quit" from
the main menu.
