Astrel Instruments AST-8300-A Automanualr El Kitabı - Sayfa 4

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Astrel Instruments

AST-8300-A

It is necessary to specify the guider device you will work with. To do this, you should

choose it from the 'Device' list. Every time you change guider it is necessary to restart the

program for the connection to the specified device to occur.

The image from the video device must appear after the restart.

You could also need to specify the required frequency of frames per second (FPS) and the

size of the captured image. You should know that the exposure time of one frame is

calculated as 1/fps, i.e. if fps is set to 5 (fps = 5), the exposure time of one frame will be

1/5 = 200 milliseconds. This time doesn't account for the time required for the data transfer

and its post-processing. That's why real FPS is somewhat smaller, than the chosen one.

This difference doesn't influence substantially the guiding quality. You should test such

parameters, as 'Autogain', 'Gain', 'Expo' (if they are available), on the image and watch

how it will change.

The 'BW' parameter makes the screen layout monochromatic for several graphics formats,

thus slightly decreasing the CPU usage.

The 'half fps' parameter makes the screen layout of every second frame. It affects only the

screen layout and decreases the CPU usage, all frames are objectively captured and

processed by the autoguider.

You can switch the 'use calibration' parameter on, if you are planning to calibrate the

camera with a dark frame.

Autoguider Manual

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