Astrel Instruments AST183-X
•
When in liveview, frame a medium brightness star, push
focus
and you will be asked to
click on a star in the field. After you click the selected star, the focus interface is started
displaying an enlargement of a small portion of sky around the star. The refresh rate
depends on the exposure time and can be as fast as nearly 3 frames per second
•
The focus interface displays the star along with a measure of the Full Width Half
Maximum and a plot of the intensity profile: use these parameters together with eye
inspection to focus the camera. You can change the exposure time and the enlargement
Getting Started 16/19 rev A
