Astrel Instruments AST-8300-A Panduan Manual Otomatis - Halaman 6

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Astrel Instruments

AST-8300-A

SETTING UP THE PHYSICAL PARAMETERS OF THE

GUIDER

From the menu, select 'Setup'

'Guider setup' and choose the 'Guider physical

parameters' tab.

When the video device and the telescope mount control device are connected and working

in the program, you must specify several parameters before the guiding can be started:

1. Aperture - the diameter of the guide objective, mm.

2. Focal length - the focal length of your guide, mm.

3. Matrix width - the amount of matrix pixels in horizontal direction, pixs.

4. Matrix height - the amount of matrix pixels in vertical direction, pixs.

5. Pixel width - the width of a pixel, um.

6. Pixel height - the height of a pixel, um.

!!! WARNING !!!

Some camera types, including webcams, allow for more than one resolution, for example

320x240 and 640x480. In this case you should set up the pixel size very attentively. For

example, let's consider Philips SPC 900 NC camera, that has matrix with 640x480 pixels,

Autoguider Manual

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