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Defining a subimage

You may need the information of only part of the full CCD. To define a subimage click on the left mouse button and draw a rectangular subarea by holding the left mouse button pressed. Click then on the sub image message. The subimage chosen will be shown by red borders. After the next exposure only this part of the CCD is read out and displayed. To go back to the full image, click on the right mouse button and choose total image and make a new exposure.



Dieter Engels
2003-01-15