CUs of Dr Donald Macrea of University of Toronto speaking on telephone, of his face. Longer shot of Dr Macrea on telephone. Shot of Dr Macrea approaching table, picking up telephone and speaking into it, telescope mounting and spectrograph camera can be seen in background. Shot of the astronomer's assistant at desk, looking into microscope-type viewer. CU of assistant. MS of Dr Donald Macrea adjusting telescope with vernier controls as assistant stands in lower background. CU of telescope eyepiece, of profile of Dr Macrea working on microscope, working at his desk. CU of star finder charts, of finger positioning star finder. Three shots of students at work on table full of electronic equipment related to astronomy.